./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-24 22:51:08,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 22:51:08,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 22:51:08,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 22:51:08,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 22:51:08,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 22:51:08,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 22:51:08,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 22:51:08,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 22:51:08,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 22:51:08,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 22:51:08,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 22:51:08,349 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 22:51:08,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 22:51:08,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 22:51:08,349 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 22:51:08,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 22:51:08,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 22:51:08,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 22:51:08,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 22:51:08,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 22:51:08,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 22:51:08,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-24 22:51:08,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 22:51:08,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 22:51:08,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 22:51:08,583 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 22:51:08,583 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 22:51:08,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 22:51:09,877 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ed9f2afce/4a112c695ac54e46a07317ff2f06a6da/FLAG523401f03 [2025-04-24 22:51:10,074 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 22:51:10,076 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 22:51:10,083 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ed9f2afce/4a112c695ac54e46a07317ff2f06a6da/FLAG523401f03 [2025-04-24 22:51:10,927 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ed9f2afce/4a112c695ac54e46a07317ff2f06a6da [2025-04-24 22:51:10,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 22:51:10,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 22:51:10,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 22:51:10,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 22:51:10,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 22:51:10,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 10:51:10" (1/1) ... [2025-04-24 22:51:10,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aebfa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:10, skipping insertion in model container [2025-04-24 22:51:10,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 10:51:10" (1/1) ... [2025-04-24 22:51:10,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 22:51:11,091 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-24 22:51:11,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 22:51:11,110 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 22:51:11,140 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-24 22:51:11,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 22:51:11,157 INFO L204 MainTranslator]: Completed translation [2025-04-24 22:51:11,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11 WrapperNode [2025-04-24 22:51:11,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 22:51:11,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 22:51:11,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 22:51:11,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 22:51:11,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,186 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 292 [2025-04-24 22:51:11,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 22:51:11,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 22:51:11,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 22:51:11,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 22:51:11,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 22:51:11,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 22:51:11,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 22:51:11,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 22:51:11,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (1/1) ... [2025-04-24 22:51:11,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 22:51:11,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:11,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 22:51:11,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 22:51:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 22:51:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 22:51:11,254 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 22:51:11,344 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 22:51:11,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 22:51:11,709 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 22:51:11,709 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 22:51:11,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 22:51:11,963 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-24 22:51:11,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 10:51:11 BoogieIcfgContainer [2025-04-24 22:51:11,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 22:51:11,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 22:51:11,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 22:51:11,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 22:51:11,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 10:51:10" (1/3) ... [2025-04-24 22:51:11,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359e44ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 10:51:11, skipping insertion in model container [2025-04-24 22:51:11,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 10:51:11" (2/3) ... [2025-04-24 22:51:11,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359e44ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 10:51:11, skipping insertion in model container [2025-04-24 22:51:11,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 10:51:11" (3/3) ... [2025-04-24 22:51:11,972 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 22:51:11,983 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 22:51:11,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 66 locations, 68 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-24 22:51:11,986 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 22:51:12,055 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-24 22:51:12,089 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 22:51:12,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 22:51:12,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:12,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 22:51:12,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 22:51:12,169 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 22:51:12,178 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2025-04-24 22:51:12,184 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5768ea76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 22:51:12,184 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-24 22:51:12,583 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-24 22:51:12,584 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-24 22:51:12,588 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-24 22:51:12,589 INFO L320 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork0 was SAFE,SAFE (1/3) [2025-04-24 22:51:12,591 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 22:51:12,592 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 22:51:12,592 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 22:51:12,593 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5768ea76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 22:51:12,593 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 22:51:12,631 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:12,635 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:12,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1270390664, now seen corresponding path program 1 times [2025-04-24 22:51:12,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:12,640 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886293747] [2025-04-24 22:51:12,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 22:51:12,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:12,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-24 22:51:12,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-24 22:51:12,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:12,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:12,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:12,815 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886293747] [2025-04-24 22:51:12,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886293747] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 22:51:12,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 22:51:12,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 22:51:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575866067] [2025-04-24 22:51:12,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 22:51:12,820 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 22:51:12,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:12,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 22:51:12,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 22:51:12,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:12,836 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:12,838 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:12,838 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:13,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:13,448 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 22:51:13,448 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:13,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash -885745993, now seen corresponding path program 1 times [2025-04-24 22:51:13,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:13,448 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153203233] [2025-04-24 22:51:13,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 22:51:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:13,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-24 22:51:13,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-24 22:51:13,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:13,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:13,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:13,822 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153203233] [2025-04-24 22:51:13,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153203233] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 22:51:13,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 22:51:13,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 22:51:13,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044094858] [2025-04-24 22:51:13,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 22:51:13,822 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 22:51:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:13,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 22:51:13,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 22:51:13,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:13,826 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:13,826 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:13,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:14,053 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 22:51:14,053 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:14,053 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:14,053 INFO L85 PathProgramCache]: Analyzing trace with hash -388202200, now seen corresponding path program 2 times [2025-04-24 22:51:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:14,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271825470] [2025-04-24 22:51:14,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:14,075 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 1 equivalence classes. [2025-04-24 22:51:14,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 22:51:14,115 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 22:51:14,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:14,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:14,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271825470] [2025-04-24 22:51:14,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271825470] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 22:51:14,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 22:51:14,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 22:51:14,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114844701] [2025-04-24 22:51:14,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 22:51:14,363 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 22:51:14,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:14,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 22:51:14,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 22:51:14,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,363 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:14,363 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 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) [2025-04-24 22:51:14,363 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,363 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:14,363 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:14,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:14,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:14,578 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 22:51:14,578 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:14,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:14,579 INFO L85 PathProgramCache]: Analyzing trace with hash -720597434, now seen corresponding path program 1 times [2025-04-24 22:51:14,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:14,579 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061373895] [2025-04-24 22:51:14,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 22:51:14,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:14,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 22:51:14,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 22:51:14,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:14,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:14,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:14,830 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061373895] [2025-04-24 22:51:14,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061373895] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:14,830 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127801276] [2025-04-24 22:51:14,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 22:51:14,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:14,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:14,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 22:51:14,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 22:51:14,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 22:51:14,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:14,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:14,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 22:51:14,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:15,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:15,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127801276] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:15,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:15,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 22:51:15,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309440078] [2025-04-24 22:51:15,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:15,195 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 22:51:15,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:15,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 22:51:15,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-04-24 22:51:15,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:15,196 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:15,196 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:15,196 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:15,197 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:15,197 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:15,197 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:15,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:15,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:15,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:15,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:15,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:15,797 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:15,797 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:15,797 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:15,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1860052200, now seen corresponding path program 2 times [2025-04-24 22:51:15,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:15,798 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199825868] [2025-04-24 22:51:15,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:15,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:15,812 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-04-24 22:51:15,835 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 116 statements. [2025-04-24 22:51:15,836 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 22:51:15,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 22:51:16,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:16,247 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199825868] [2025-04-24 22:51:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199825868] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 22:51:16,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 22:51:16,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 22:51:16,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727819583] [2025-04-24 22:51:16,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 22:51:16,248 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 22:51:16,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:16,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 22:51:16,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-24 22:51:16,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:16,249 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:16,249 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:16,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:16,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:16,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:16,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:16,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:16,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:16,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:16,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:16,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:16,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:16,554 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-24 22:51:16,554 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:16,554 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:16,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1980980698, now seen corresponding path program 3 times [2025-04-24 22:51:16,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:16,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840194782] [2025-04-24 22:51:16,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:51:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:16,601 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 22:51:16,854 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 22:51:16,854 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 22:51:16,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 72 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:18,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:18,841 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840194782] [2025-04-24 22:51:18,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840194782] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:18,842 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786117841] [2025-04-24 22:51:18,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:51:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:18,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:18,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 22:51:18,931 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 22:51:19,020 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 22:51:19,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 22:51:19,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:19,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 22:51:19,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:19,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786117841] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:20,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 19, 19] total 75 [2025-04-24 22:51:20,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614503611] [2025-04-24 22:51:20,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:20,293 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-24 22:51:20,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:20,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-24 22:51:20,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=4570, Unknown=0, NotChecked=0, Total=5700 [2025-04-24 22:51:20,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:20,299 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:20,299 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.184210526315789) internal successors, (470), 75 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:20,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:20,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:20,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:20,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:20,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:20,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:20,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:20,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:21,175 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:21,176 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:21,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash 262281638, now seen corresponding path program 4 times [2025-04-24 22:51:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:21,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125924316] [2025-04-24 22:51:21,176 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:51:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:21,193 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 22:51:21,206 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-24 22:51:21,206 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:51:21,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 67 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-04-24 22:51:21,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:21,514 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125924316] [2025-04-24 22:51:21,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125924316] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:21,514 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051227702] [2025-04-24 22:51:21,514 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:51:21,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:21,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:21,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 22:51:21,596 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 22:51:21,630 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-24 22:51:21,630 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:51:21,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:21,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 22:51:21,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 22:51:22,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-24 22:51:22,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051227702] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:22,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:22,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 34, 8] total 43 [2025-04-24 22:51:22,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665341352] [2025-04-24 22:51:22,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:22,534 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 22:51:22,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:22,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 22:51:22,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 22:51:22,535 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:22,535 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:22,535 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 43 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:22,535 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:22,536 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:23,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 22:51:23,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:23,886 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:23,886 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:23,886 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:23,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1859763528, now seen corresponding path program 5 times [2025-04-24 22:51:23,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:23,887 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496010654] [2025-04-24 22:51:23,887 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:51:23,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:23,908 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 22:51:24,022 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 22:51:24,022 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 22:51:24,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:24,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:24,990 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496010654] [2025-04-24 22:51:24,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496010654] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:24,991 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063951530] [2025-04-24 22:51:24,991 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:51:24,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:24,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:24,994 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:24,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 22:51:25,085 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 22:51:25,301 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 22:51:25,301 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 22:51:25,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:25,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 22:51:25,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 222 proven. 21 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-04-24 22:51:25,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 222 proven. 21 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-04-24 22:51:25,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063951530] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:25,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:25,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15, 15] total 55 [2025-04-24 22:51:25,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366773422] [2025-04-24 22:51:25,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:25,868 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 22:51:25,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:25,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 22:51:25,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=2528, Unknown=0, NotChecked=0, Total=3080 [2025-04-24 22:51:25,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:25,870 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:25,871 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.589285714285714) internal successors, (369), 55 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 22:51:25,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:26,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:26,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:26,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:26,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:26,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:26,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:26,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 22:51:26,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 22:51:26,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:26,614 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 22:51:26,614 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:26,615 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash 154637798, now seen corresponding path program 6 times [2025-04-24 22:51:26,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:26,615 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945838566] [2025-04-24 22:51:26,615 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:51:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:26,629 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 225 statements into 7 equivalence classes. [2025-04-24 22:51:26,876 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 225 of 225 statements. [2025-04-24 22:51:26,876 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 22:51:26,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 82 proven. 140 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-04-24 22:51:27,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:27,839 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945838566] [2025-04-24 22:51:27,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945838566] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:27,839 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265549483] [2025-04-24 22:51:27,839 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:51:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:27,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:27,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 22:51:27,937 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 225 statements into 7 equivalence classes. [2025-04-24 22:51:28,092 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 225 of 225 statements. [2025-04-24 22:51:28,092 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 22:51:28,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:28,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 22:51:28,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 325 proven. 28 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 22:51:28,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 325 proven. 28 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 22:51:28,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265549483] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:28,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:28,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 48 [2025-04-24 22:51:28,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696430848] [2025-04-24 22:51:28,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:28,819 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 22:51:28,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:28,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 22:51:28,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=1804, Unknown=0, NotChecked=0, Total=2256 [2025-04-24 22:51:28,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:28,821 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:28,821 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.0) internal successors, (336), 48 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 22:51:28,821 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:29,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:29,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-24 22:51:30,073 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:30,073 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:30,073 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1902699710, now seen corresponding path program 7 times [2025-04-24 22:51:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:30,073 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858653491] [2025-04-24 22:51:30,073 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:51:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:30,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-04-24 22:51:30,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-04-24 22:51:30,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:30,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 112 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:31,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:31,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858653491] [2025-04-24 22:51:31,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858653491] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:31,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021281834] [2025-04-24 22:51:31,177 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:51:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:31,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:31,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 22:51:31,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-04-24 22:51:31,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-04-24 22:51:31,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:31,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:31,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-24 22:51:31,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 156 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 22:51:31,860 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 156 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 22:51:32,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021281834] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:32,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:32,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 23, 23] total 84 [2025-04-24 22:51:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125553089] [2025-04-24 22:51:32,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:32,387 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-04-24 22:51:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:32,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-04-24 22:51:32,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=6040, Unknown=0, NotChecked=0, Total=7140 [2025-04-24 22:51:32,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:32,390 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:32,391 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.588235294117647) internal successors, (390), 84 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:32,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:32,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:32,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:33,154 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 22:51:33,155 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:33,155 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:33,155 INFO L85 PathProgramCache]: Analyzing trace with hash -229855140, now seen corresponding path program 8 times [2025-04-24 22:51:33,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:33,155 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092199234] [2025-04-24 22:51:33,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:33,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:33,170 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-04-24 22:51:33,191 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-04-24 22:51:33,192 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:51:33,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 112 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:34,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:34,236 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092199234] [2025-04-24 22:51:34,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092199234] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:34,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345104022] [2025-04-24 22:51:34,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:34,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:34,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:34,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:34,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 22:51:34,318 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-04-24 22:51:34,376 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-04-24 22:51:34,376 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:51:34,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:34,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 22:51:34,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 22:51:35,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 22:51:35,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345104022] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:35,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:35,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 25, 25] total 89 [2025-04-24 22:51:35,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080175424] [2025-04-24 22:51:35,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:35,641 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-04-24 22:51:35,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:35,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-04-24 22:51:35,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=6773, Unknown=0, NotChecked=0, Total=8010 [2025-04-24 22:51:35,644 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:35,644 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:35,644 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.566666666666666) internal successors, (411), 89 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:35,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:36,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:36,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:36,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:36,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:36,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 22:51:36,341 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:36,341 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:36,342 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:36,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1914546050, now seen corresponding path program 9 times [2025-04-24 22:51:36,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:36,342 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955006265] [2025-04-24 22:51:36,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:51:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:36,354 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 174 statements into 7 equivalence classes. [2025-04-24 22:51:36,553 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 170 of 174 statements. [2025-04-24 22:51:36,553 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 22:51:36,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 52 proven. 46 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-04-24 22:51:36,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:36,991 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955006265] [2025-04-24 22:51:36,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955006265] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:36,991 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065476851] [2025-04-24 22:51:36,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:51:36,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:36,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:36,993 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:36,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 22:51:37,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 174 statements into 7 equivalence classes. [2025-04-24 22:51:37,183 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 170 of 174 statements. [2025-04-24 22:51:37,183 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 22:51:37,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:37,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-24 22:51:37,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-24 22:51:37,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-04-24 22:51:37,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065476851] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:37,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:37,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 10] total 43 [2025-04-24 22:51:37,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598472632] [2025-04-24 22:51:37,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:37,953 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 22:51:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:37,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 22:51:37,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1562, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 22:51:37,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:37,955 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:37,955 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.27906976744186) internal successors, (270), 43 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:39,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:39,203 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 22:51:39,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:39,403 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:39,403 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:39,404 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:39,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2031152508, now seen corresponding path program 10 times [2025-04-24 22:51:39,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:39,404 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413690159] [2025-04-24 22:51:39,404 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:51:39,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:39,418 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 214 statements into 2 equivalence classes. [2025-04-24 22:51:39,425 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 121 of 214 statements. [2025-04-24 22:51:39,425 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:51:39,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 85 proven. 9 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-04-24 22:51:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:39,817 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413690159] [2025-04-24 22:51:39,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413690159] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:39,817 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107904572] [2025-04-24 22:51:39,817 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:51:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:39,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:39,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 22:51:39,916 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 214 statements into 2 equivalence classes. [2025-04-24 22:51:39,953 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 121 of 214 statements. [2025-04-24 22:51:39,953 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:51:39,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:39,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-24 22:51:39,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-24 22:51:40,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 85 proven. 9 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-04-24 22:51:40,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107904572] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:40,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:40,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 42, 13] total 55 [2025-04-24 22:51:40,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781729381] [2025-04-24 22:51:40,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:40,926 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-04-24 22:51:40,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:40,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-04-24 22:51:40,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=2557, Unknown=0, NotChecked=0, Total=2970 [2025-04-24 22:51:40,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:40,928 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:40,928 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.4) internal successors, (352), 55 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:40,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:40,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:40,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 22:51:40,929 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:42,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:42,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:42,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:42,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:42,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:42,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:42,674 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-04-24 22:51:42,674 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:42,675 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1337985445, now seen corresponding path program 11 times [2025-04-24 22:51:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:42,675 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561473546] [2025-04-24 22:51:42,675 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:51:42,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:42,690 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 250 statements into 7 equivalence classes. [2025-04-24 22:51:42,799 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 250 of 250 statements. [2025-04-24 22:51:42,799 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 22:51:42,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 405 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:43,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:43,824 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561473546] [2025-04-24 22:51:43,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561473546] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:43,824 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998962185] [2025-04-24 22:51:43,824 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:51:43,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:43,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:43,826 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:43,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 22:51:43,921 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 250 statements into 7 equivalence classes. [2025-04-24 22:51:44,163 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 250 of 250 statements. [2025-04-24 22:51:44,163 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 22:51:44,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:44,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-24 22:51:44,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 330 proven. 78 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 22:51:44,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 330 proven. 78 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 22:51:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998962185] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:45,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:45,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 29, 29] total 93 [2025-04-24 22:51:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485971242] [2025-04-24 22:51:45,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:45,455 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-04-24 22:51:45,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:45,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-04-24 22:51:45,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=7202, Unknown=0, NotChecked=0, Total=8742 [2025-04-24 22:51:45,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:45,458 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:45,458 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.808510638297872) internal successors, (546), 93 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:45,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:45,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:45,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:45,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:45,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:45,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:45,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:51:45,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 22:51:46,133 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:46,133 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:46,133 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1648440061, now seen corresponding path program 12 times [2025-04-24 22:51:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:46,133 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214592450] [2025-04-24 22:51:46,133 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:51:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:46,150 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 253 statements into 9 equivalence classes. [2025-04-24 22:51:46,420 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 253 of 253 statements. [2025-04-24 22:51:46,420 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-24 22:51:46,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 339 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:47,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:47,560 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214592450] [2025-04-24 22:51:47,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214592450] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:47,560 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073296076] [2025-04-24 22:51:47,560 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:51:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:47,562 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:47,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 22:51:47,663 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 253 statements into 9 equivalence classes. [2025-04-24 22:51:48,352 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 253 of 253 statements. [2025-04-24 22:51:48,352 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-24 22:51:48,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:48,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-04-24 22:51:48,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 405 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:49,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 405 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:50,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073296076] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:50,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:50,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 106 [2025-04-24 22:51:50,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989098558] [2025-04-24 22:51:50,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:50,256 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2025-04-24 22:51:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:50,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2025-04-24 22:51:50,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2831, Invalid=8511, Unknown=0, NotChecked=0, Total=11342 [2025-04-24 22:51:50,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:50,260 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:50,260 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 6.149532710280374) internal successors, (658), 106 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:51:50,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:50,542 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:51:50,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:51:50,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:50,743 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-24 22:51:50,744 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:50,744 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:50,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1457410085, now seen corresponding path program 13 times [2025-04-24 22:51:50,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:50,744 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123359543] [2025-04-24 22:51:50,744 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:51:50,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:50,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 22:51:50,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 22:51:50,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:50,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 363 proven. 318 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-24 22:51:52,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:52,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123359543] [2025-04-24 22:51:52,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123359543] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:52,352 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178869261] [2025-04-24 22:51:52,352 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:51:52,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:52,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:52,353 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:52,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 22:51:52,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 22:51:52,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 22:51:52,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:51:52,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:52,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-24 22:51:52,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 381 proven. 300 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-24 22:51:53,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:51:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 381 proven. 300 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-24 22:51:55,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178869261] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:51:55,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:51:55,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 126 [2025-04-24 22:51:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298064236] [2025-04-24 22:51:55,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:51:55,048 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2025-04-24 22:51:55,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:51:55,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2025-04-24 22:51:55,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3679, Invalid=12323, Unknown=0, NotChecked=0, Total=16002 [2025-04-24 22:51:55,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:55,054 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:51:55,054 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 4.0078740157480315) internal successors, (509), 126 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:51:55,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:55,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:55,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:55,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:51:55,055 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:55,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:51:55,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:51:55,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:51:55,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:51:55,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:51:55,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 22:51:55,617 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 22:51:55,617 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:51:55,618 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:51:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash 582140483, now seen corresponding path program 14 times [2025-04-24 22:51:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:51:55,618 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648791793] [2025-04-24 22:51:55,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:51:55,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 263 statements into 2 equivalence classes. [2025-04-24 22:51:55,712 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 263 of 263 statements. [2025-04-24 22:51:55,712 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:51:55,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 276 proven. 454 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:57,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:51:57,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648791793] [2025-04-24 22:51:57,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648791793] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:51:57,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803706710] [2025-04-24 22:51:57,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:51:57,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:51:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:51:57,643 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:51:57,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 22:51:57,767 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 263 statements into 2 equivalence classes. [2025-04-24 22:51:57,864 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 263 of 263 statements. [2025-04-24 22:51:57,865 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:51:57,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:51:57,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-24 22:51:57,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:51:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 300 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:51:59,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:52:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 325 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:52:00,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803706710] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:52:00,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:52:00,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 126 [2025-04-24 22:52:00,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428963981] [2025-04-24 22:52:00,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:52:00,827 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2025-04-24 22:52:00,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:52:00,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2025-04-24 22:52:00,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3653, Invalid=12349, Unknown=0, NotChecked=0, Total=16002 [2025-04-24 22:52:00,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:00,830 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:52:00,831 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 4.299212598425197) internal successors, (546), 126 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:00,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:01,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:01,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:52:01,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 22:52:01,931 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-24 22:52:01,932 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:52:01,932 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:52:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash -890562921, now seen corresponding path program 15 times [2025-04-24 22:52:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:52:01,932 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676493636] [2025-04-24 22:52:01,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:52:01,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:52:01,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 375 statements into 14 equivalence classes. [2025-04-24 22:52:02,896 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 375 of 375 statements. [2025-04-24 22:52:02,896 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-04-24 22:52:02,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:52:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1375 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:52:05,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:52:05,634 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676493636] [2025-04-24 22:52:05,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676493636] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:52:05,634 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017119727] [2025-04-24 22:52:05,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:52:05,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:52:05,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:52:05,636 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:52:05,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 22:52:05,778 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 375 statements into 14 equivalence classes. [2025-04-24 22:52:07,513 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 375 of 375 statements. [2025-04-24 22:52:07,513 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-04-24 22:52:07,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:52:07,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 22:52:07,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:52:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1443 proven. 325 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 22:52:09,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:52:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1443 proven. 325 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 22:52:11,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017119727] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:52:11,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:52:11,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 57, 57] total 176 [2025-04-24 22:52:11,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305245963] [2025-04-24 22:52:11,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:52:11,437 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2025-04-24 22:52:11,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:52:11,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2025-04-24 22:52:11,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5468, Invalid=25684, Unknown=0, NotChecked=0, Total=31152 [2025-04-24 22:52:11,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:11,440 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:52:11,440 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 5.305084745762712) internal successors, (939), 176 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:11,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:52:11,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:52:12,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:52:12,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 22:52:12,233 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 22:52:12,234 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:52:12,234 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:52:12,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1085146041, now seen corresponding path program 16 times [2025-04-24 22:52:12,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:52:12,234 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403066224] [2025-04-24 22:52:12,234 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:52:12,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:52:12,258 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 380 statements into 2 equivalence classes. [2025-04-24 22:52:12,274 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 195 of 380 statements. [2025-04-24 22:52:12,274 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:52:12,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:52:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 239 proven. 40 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2025-04-24 22:52:13,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:52:13,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403066224] [2025-04-24 22:52:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403066224] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:52:13,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46905667] [2025-04-24 22:52:13,070 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:52:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:52:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:52:13,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:52:13,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 22:52:13,232 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 380 statements into 2 equivalence classes. [2025-04-24 22:52:13,278 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 195 of 380 statements. [2025-04-24 22:52:13,278 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:52:13,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:52:13,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 78 conjuncts are in the unsatisfiable core [2025-04-24 22:52:13,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:52:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2025-04-24 22:52:14,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:52:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 239 proven. 40 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2025-04-24 22:52:15,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46905667] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:52:15,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:52:15,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 79, 16] total 92 [2025-04-24 22:52:15,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602509577] [2025-04-24 22:52:15,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:52:15,402 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-04-24 22:52:15,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:52:15,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-04-24 22:52:15,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=7764, Unknown=0, NotChecked=0, Total=8372 [2025-04-24 22:52:15,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:15,405 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:52:15,405 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 5.021739130434782) internal successors, (462), 92 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:52:15,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:20,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:52:20,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:52:20,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 22:52:20,725 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:52:20,726 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:52:20,726 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:52:20,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1087402129, now seen corresponding path program 17 times [2025-04-24 22:52:20,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:52:20,726 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836308628] [2025-04-24 22:52:20,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:52:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:52:20,750 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 412 statements into 16 equivalence classes. [2025-04-24 22:52:21,069 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 412 of 412 statements. [2025-04-24 22:52:21,069 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-24 22:52:21,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:52:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 1797 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 22:52:24,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:52:24,220 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836308628] [2025-04-24 22:52:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836308628] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:52:24,220 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851119093] [2025-04-24 22:52:24,220 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:52:24,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:52:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:52:24,222 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:52:24,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 22:52:24,374 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 412 statements into 16 equivalence classes. [2025-04-24 22:55:35,347 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 412 of 412 statements. [2025-04-24 22:55:35,348 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-24 22:55:35,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:55:35,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-24 22:55:35,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:55:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 1666 proven. 465 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 22:55:37,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:55:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 1666 proven. 465 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 22:55:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851119093] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:55:40,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:55:40,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 63, 63] total 195 [2025-04-24 22:55:40,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356997569] [2025-04-24 22:55:40,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:55:40,073 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2025-04-24 22:55:40,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:55:40,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2025-04-24 22:55:40,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6378, Invalid=31842, Unknown=0, NotChecked=0, Total=38220 [2025-04-24 22:55:40,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:40,078 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:55:40,079 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 5.071428571428571) internal successors, (994), 195 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:55:40,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:55:40,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:55:40,702 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forcibly destroying the process [2025-04-24 22:55:40,903 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Could not destroy process within 200 ms, abandoning it [2025-04-24 22:55:40,903 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:55:40,903 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:55:40,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:55:40,904 INFO L85 PathProgramCache]: Analyzing trace with hash 941324335, now seen corresponding path program 18 times [2025-04-24 22:55:40,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:55:40,904 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099296501] [2025-04-24 22:55:40,904 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:55:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:55:40,939 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 413 statements into 17 equivalence classes. [2025-04-24 22:55:42,549 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 413 of 413 statements. [2025-04-24 22:55:42,550 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-04-24 22:55:42,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:55:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2294 backedges. 278 proven. 217 refuted. 0 times theorem prover too weak. 1799 trivial. 0 not checked. [2025-04-24 22:55:45,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:55:45,368 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099296501] [2025-04-24 22:55:45,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099296501] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:55:45,368 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616489056] [2025-04-24 22:55:45,368 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 22:55:45,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:55:45,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:55:45,370 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:55:45,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 22:55:45,537 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 413 statements into 17 equivalence classes. [2025-04-24 22:55:53,307 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 413 of 413 statements. [2025-04-24 22:55:53,307 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-04-24 22:55:53,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:55:53,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 86 conjuncts are in the unsatisfiable core [2025-04-24 22:55:53,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:55:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2294 backedges. 0 proven. 1798 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-04-24 22:55:55,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:55:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2294 backedges. 289 proven. 63 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2025-04-24 22:55:55,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616489056] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:55:55,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:55:55,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 87, 18] total 106 [2025-04-24 22:55:55,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685399320] [2025-04-24 22:55:55,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:55:55,931 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-04-24 22:55:55,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:55:55,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-04-24 22:55:55,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=10399, Unknown=0, NotChecked=0, Total=11130 [2025-04-24 22:55:55,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:55,934 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:55:55,934 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 5.10377358490566) internal successors, (541), 106 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:55:55,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:01,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:01,729 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:01,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 22:56:01,929 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-04-24 22:56:01,929 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:56:01,930 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:56:01,930 INFO L85 PathProgramCache]: Analyzing trace with hash -593302265, now seen corresponding path program 19 times [2025-04-24 22:56:01,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:56:01,930 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597217697] [2025-04-24 22:56:01,930 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:56:01,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:56:01,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 445 statements into 1 equivalence classes. [2025-04-24 22:56:02,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 445 of 445 statements. [2025-04-24 22:56:02,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:56:02,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 1915 proven. 691 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:56:10,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:56:10,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597217697] [2025-04-24 22:56:10,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597217697] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:56:10,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38390182] [2025-04-24 22:56:10,030 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 22:56:10,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:10,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:56:10,032 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:56:10,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 22:56:10,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 445 statements into 1 equivalence classes. [2025-04-24 22:56:10,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 445 of 445 statements. [2025-04-24 22:56:10,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 22:56:10,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:10,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-04-24 22:56:10,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:56:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 1905 proven. 496 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 22:56:13,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:56:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2606 backedges. 1905 proven. 496 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 22:56:17,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38390182] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:56:17,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:56:17,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 65, 65] total 252 [2025-04-24 22:56:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140344661] [2025-04-24 22:56:17,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:56:17,334 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2025-04-24 22:56:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:56:17,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2025-04-24 22:56:17,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9420, Invalid=54336, Unknown=0, NotChecked=0, Total=63756 [2025-04-24 22:56:17,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:17,342 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:56:17,342 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 4.177865612648222) internal successors, (1057), 252 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:17,342 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:17,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:17,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:17,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:18,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 22:56:18,194 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:18,195 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:56:18,195 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:56:18,195 INFO L85 PathProgramCache]: Analyzing trace with hash -760229591, now seen corresponding path program 20 times [2025-04-24 22:56:18,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:56:18,195 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345379573] [2025-04-24 22:56:18,195 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:56:18,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:56:18,222 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 446 statements into 2 equivalence classes. [2025-04-24 22:56:18,313 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 446 of 446 statements. [2025-04-24 22:56:18,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:56:18,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 1842 proven. 736 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 22:56:25,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:56:25,370 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345379573] [2025-04-24 22:56:25,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345379573] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:56:25,370 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150427948] [2025-04-24 22:56:25,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 22:56:25,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:25,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:56:25,372 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:56:25,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 22:56:25,554 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 446 statements into 2 equivalence classes. [2025-04-24 22:56:25,697 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 446 of 446 statements. [2025-04-24 22:56:25,697 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 22:56:25,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:25,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-04-24 22:56:25,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:56:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 1905 proven. 528 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 22:56:28,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:56:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 1905 proven. 528 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 22:56:32,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150427948] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:56:32,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:56:32,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 67, 67] total 245 [2025-04-24 22:56:32,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745008775] [2025-04-24 22:56:32,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:56:32,390 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2025-04-24 22:56:32,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:56:32,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2025-04-24 22:56:32,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9013, Invalid=51257, Unknown=0, NotChecked=0, Total=60270 [2025-04-24 22:56:32,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:32,400 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:56:32,401 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 4.178861788617886) internal successors, (1028), 245 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:56:32,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:32,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:32,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:32,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:32,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 22:56:32,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 22:56:33,153 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-04-24 22:56:33,154 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:56:33,154 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:56:33,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1640009401, now seen corresponding path program 21 times [2025-04-24 22:56:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:56:33,154 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987333402] [2025-04-24 22:56:33,154 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:56:33,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:56:33,181 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 447 statements into 18 equivalence classes. [2025-04-24 22:56:34,382 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 444 of 447 statements. [2025-04-24 22:56:34,382 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-04-24 22:56:34,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 340 proven. 255 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2025-04-24 22:56:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:56:37,529 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987333402] [2025-04-24 22:56:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987333402] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:56:37,529 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084203032] [2025-04-24 22:56:37,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 22:56:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:56:37,531 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:56:37,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 22:56:37,720 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 447 statements into 18 equivalence classes. [2025-04-24 22:56:40,448 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 444 of 447 statements. [2025-04-24 22:56:40,448 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-04-24 22:56:40,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:40,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 94 conjuncts are in the unsatisfiable core [2025-04-24 22:56:40,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:56:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 0 proven. 2110 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-04-24 22:56:42,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:56:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 351 proven. 90 refuted. 0 times theorem prover too weak. 2230 trivial. 0 not checked. [2025-04-24 22:56:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084203032] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:56:43,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:56:43,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 95, 20] total 116 [2025-04-24 22:56:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924573464] [2025-04-24 22:56:43,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:56:43,421 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2025-04-24 22:56:43,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:56:43,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2025-04-24 22:56:43,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=833, Invalid=12507, Unknown=0, NotChecked=0, Total=13340 [2025-04-24 22:56:43,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:43,424 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:56:43,424 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 5.077586206896552) internal successors, (589), 116 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:43,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-24 22:56:43,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:50,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:50,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:50,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 22:56:50,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-24 22:56:50,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 22:56:50,417 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:50,417 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:56:50,418 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:56:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1089529375, now seen corresponding path program 22 times [2025-04-24 22:56:50,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:56:50,418 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012462024] [2025-04-24 22:56:50,418 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:56:50,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:56:50,445 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 479 statements into 2 equivalence classes. [2025-04-24 22:56:50,470 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 479 statements. [2025-04-24 22:56:50,470 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:56:50,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3015 backedges. 425 proven. 121 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2025-04-24 22:56:51,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:56:51,813 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012462024] [2025-04-24 22:56:51,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012462024] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:56:51,813 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051068509] [2025-04-24 22:56:51,813 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 22:56:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:56:51,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:56:51,814 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:56:51,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 22:56:52,007 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 479 statements into 2 equivalence classes. [2025-04-24 22:56:52,065 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 479 statements. [2025-04-24 22:56:52,065 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 22:56:52,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:56:52,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-24 22:56:52,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 22:56:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3015 backedges. 0 proven. 2454 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-04-24 22:56:54,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 22:56:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3015 backedges. 425 proven. 121 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2025-04-24 22:56:55,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051068509] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 22:56:55,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 22:56:55,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 103, 22] total 122 [2025-04-24 22:56:55,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689011648] [2025-04-24 22:56:55,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 22:56:55,405 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2025-04-24 22:56:55,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 22:56:55,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2025-04-24 22:56:55,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=13848, Unknown=0, NotChecked=0, Total=14762 [2025-04-24 22:56:55,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:55,408 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 22:56:55,408 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.967213114754099) internal successors, (606), 122 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:56:55,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-24 22:56:55,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 22:57:04,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 22:57:04,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 22:57:04,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 22:57:04,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-24 22:57:04,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-24 22:57:04,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-24 22:57:04,423 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-24 22:57:04,423 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 22:57:04,424 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 22:57:04,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1589814537, now seen corresponding path program 23 times [2025-04-24 22:57:04,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 22:57:04,424 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217114109] [2025-04-24 22:57:04,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:57:04,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 22:57:04,453 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 511 statements into 18 equivalence classes. [2025-04-24 22:57:04,979 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) and asserted 511 of 511 statements. [2025-04-24 22:57:04,979 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2025-04-24 22:57:04,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 22:57:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3391 backedges. 2830 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 22:57:09,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 22:57:09,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217114109] [2025-04-24 22:57:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217114109] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 22:57:09,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922388721] [2025-04-24 22:57:09,962 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 22:57:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 22:57:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 22:57:09,964 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 22:57:09,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-24 22:57:10,165 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 511 statements into 18 equivalence classes.