./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '29660a505d12db16cb6ebaa6d023074ab3483b7ffc3518a7c288ecb4d9bcecec'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29660a505d12db16cb6ebaa6d023074ab3483b7ffc3518a7c288ecb4d9bcecec --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:26:30,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:26:30,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:26:30,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:26:30,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:26:30,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:26:30,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:26:30,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:26:30,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:26:30,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:26:30,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:26:30,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:26:30,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:26:30,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:26:30,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:26:30,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:26:30,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:26:30,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:26:30,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:26:30,218 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-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 -> Automizer 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 -> 29660a505d12db16cb6ebaa6d023074ab3483b7ffc3518a7c288ecb4d9bcecec [2024-11-07 09:26:30,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:26:30,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:26:30,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:26:30,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:26:30,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:26:30,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i [2024-11-07 09:26:31,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:26:31,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:26:31,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i [2024-11-07 09:26:31,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8951f42d7/713e4c16727d45a0a079cf38fe2707cb/FLAG829d2f7e7 [2024-11-07 09:26:32,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8951f42d7/713e4c16727d45a0a079cf38fe2707cb [2024-11-07 09:26:32,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:26:32,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:26:32,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:26:32,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:26:32,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:26:32,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fca123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32, skipping insertion in model container [2024-11-07 09:26:32,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:26:32,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i[916,929] [2024-11-07 09:26:32,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:26:32,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:26:32,486 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i[916,929] [2024-11-07 09:26:32,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:26:32,565 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:26:32,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32 WrapperNode [2024-11-07 09:26:32,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:26:32,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:26:32,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:26:32,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:26:32,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,616 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 480 [2024-11-07 09:26:32,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:26:32,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:26:32,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:26:32,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:26:32,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,643 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:26:32,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:26:32,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:26:32,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:26:32,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:26:32,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (1/1) ... [2024-11-07 09:26:32,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:26:32,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:32,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:26:32,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:26:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:26:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:26:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:26:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:26:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:26:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:26:32,875 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:26:32,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:26:33,510 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-07 09:26:33,511 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:26:33,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:26:33,519 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:26:33,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:26:33 BoogieIcfgContainer [2024-11-07 09:26:33,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:26:33,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:26:33,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:26:33,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:26:33,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:26:32" (1/3) ... [2024-11-07 09:26:33,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181ad055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:26:33, skipping insertion in model container [2024-11-07 09:26:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:26:32" (2/3) ... [2024-11-07 09:26:33,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181ad055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:26:33, skipping insertion in model container [2024-11-07 09:26:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:26:33" (3/3) ... [2024-11-07 09:26:33,526 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-98.i [2024-11-07 09:26:33,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:26:33,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:26:33,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:26:33,576 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@3e578eab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:26:33,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:26:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 154 states have (on average 1.525974025974026) internal successors, (235), 155 states have internal predecessors, (235), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 09:26:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-07 09:26:33,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:33,594 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:33,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:33,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:33,597 INFO L85 PathProgramCache]: Analyzing trace with hash 540164620, now seen corresponding path program 1 times [2024-11-07 09:26:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:33,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395559166] [2024-11-07 09:26:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:34,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395559166] [2024-11-07 09:26:34,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395559166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:34,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:34,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:26:34,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876612890] [2024-11-07 09:26:34,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:34,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:26:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:26:34,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:26:34,160 INFO L87 Difference]: Start difference. First operand has 200 states, 154 states have (on average 1.525974025974026) internal successors, (235), 155 states have internal predecessors, (235), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:34,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:34,190 INFO L93 Difference]: Finished difference Result 393 states and 679 transitions. [2024-11-07 09:26:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:26:34,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 294 [2024-11-07 09:26:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:34,197 INFO L225 Difference]: With dead ends: 393 [2024-11-07 09:26:34,197 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 09:26:34,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:26:34,204 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:34,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:26:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 09:26:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-07 09:26:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 151 states have (on average 1.509933774834437) internal successors, (228), 151 states have internal predecessors, (228), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 09:26:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 314 transitions. [2024-11-07 09:26:34,264 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 314 transitions. Word has length 294 [2024-11-07 09:26:34,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:34,265 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 314 transitions. [2024-11-07 09:26:34,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 314 transitions. [2024-11-07 09:26:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-07 09:26:34,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:34,275 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:34,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:26:34,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:34,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash -354380150, now seen corresponding path program 1 times [2024-11-07 09:26:34,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:34,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59158472] [2024-11-07 09:26:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:35,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59158472] [2024-11-07 09:26:35,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59158472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:35,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:35,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:26:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015515015] [2024-11-07 09:26:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:35,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:26:35,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:35,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:26:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:26:35,105 INFO L87 Difference]: Start difference. First operand 196 states and 314 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:35,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:35,457 INFO L93 Difference]: Finished difference Result 662 states and 1060 transitions. [2024-11-07 09:26:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:26:35,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-07 09:26:35,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:35,462 INFO L225 Difference]: With dead ends: 662 [2024-11-07 09:26:35,465 INFO L226 Difference]: Without dead ends: 469 [2024-11-07 09:26:35,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:26:35,468 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 540 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:35,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1105 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:26:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-07 09:26:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 386. [2024-11-07 09:26:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 317 states have (on average 1.555205047318612) internal successors, (493), 318 states have internal predecessors, (493), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 09:26:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 625 transitions. [2024-11-07 09:26:35,514 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 625 transitions. Word has length 294 [2024-11-07 09:26:35,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:35,515 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 625 transitions. [2024-11-07 09:26:35,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 625 transitions. [2024-11-07 09:26:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-07 09:26:35,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:35,521 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:35,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:26:35,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:35,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash 69266572, now seen corresponding path program 1 times [2024-11-07 09:26:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:35,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114689374] [2024-11-07 09:26:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114689374] [2024-11-07 09:26:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114689374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:36,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:36,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:26:36,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979444319] [2024-11-07 09:26:36,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:36,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:26:36,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:36,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:26:36,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:26:36,404 INFO L87 Difference]: Start difference. First operand 386 states and 625 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:36,786 INFO L93 Difference]: Finished difference Result 1403 states and 2280 transitions. [2024-11-07 09:26:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:26:36,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-07 09:26:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:36,799 INFO L225 Difference]: With dead ends: 1403 [2024-11-07 09:26:36,799 INFO L226 Difference]: Without dead ends: 1020 [2024-11-07 09:26:36,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:26:36,801 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 513 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:36,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 754 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:26:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-07 09:26:36,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 972. [2024-11-07 09:26:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 835 states have (on average 1.5844311377245508) internal successors, (1323), 837 states have internal predecessors, (1323), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 09:26:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1587 transitions. [2024-11-07 09:26:36,876 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1587 transitions. Word has length 294 [2024-11-07 09:26:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:36,876 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1587 transitions. [2024-11-07 09:26:36,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1587 transitions. [2024-11-07 09:26:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 09:26:36,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:36,880 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:36,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 09:26:36,880 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:36,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:36,880 INFO L85 PathProgramCache]: Analyzing trace with hash -630987692, now seen corresponding path program 1 times [2024-11-07 09:26:36,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:36,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717883672] [2024-11-07 09:26:36,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:36,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:38,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717883672] [2024-11-07 09:26:38,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717883672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:38,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:38,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 09:26:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935274322] [2024-11-07 09:26:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 09:26:38,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 09:26:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:26:38,301 INFO L87 Difference]: Start difference. First operand 972 states and 1587 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:39,074 INFO L93 Difference]: Finished difference Result 1941 states and 3171 transitions. [2024-11-07 09:26:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:26:39,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-07 09:26:39,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:39,084 INFO L225 Difference]: With dead ends: 1941 [2024-11-07 09:26:39,084 INFO L226 Difference]: Without dead ends: 972 [2024-11-07 09:26:39,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:26:39,090 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 277 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:39,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 535 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 09:26:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-07 09:26:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2024-11-07 09:26:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 835 states have (on average 1.5736526946107785) internal successors, (1314), 837 states have internal predecessors, (1314), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 09:26:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1578 transitions. [2024-11-07 09:26:39,226 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1578 transitions. Word has length 295 [2024-11-07 09:26:39,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:39,226 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1578 transitions. [2024-11-07 09:26:39,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1578 transitions. [2024-11-07 09:26:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 09:26:39,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:39,234 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:39,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 09:26:39,235 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:39,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash -760171441, now seen corresponding path program 1 times [2024-11-07 09:26:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:39,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818825231] [2024-11-07 09:26:39,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:39,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:39,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:39,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818825231] [2024-11-07 09:26:39,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818825231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:39,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:39,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 09:26:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970290249] [2024-11-07 09:26:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:39,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 09:26:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:39,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 09:26:39,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:26:39,908 INFO L87 Difference]: Start difference. First operand 972 states and 1578 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:40,107 INFO L93 Difference]: Finished difference Result 1950 states and 3167 transitions. [2024-11-07 09:26:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:26:40,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-07 09:26:40,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:40,113 INFO L225 Difference]: With dead ends: 1950 [2024-11-07 09:26:40,113 INFO L226 Difference]: Without dead ends: 981 [2024-11-07 09:26:40,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:26:40,116 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 304 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:40,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1117 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:26:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-07 09:26:40,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 975. [2024-11-07 09:26:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 838 states have (on average 1.571599045346062) internal successors, (1317), 840 states have internal predecessors, (1317), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 09:26:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1581 transitions. [2024-11-07 09:26:40,176 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1581 transitions. Word has length 297 [2024-11-07 09:26:40,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:40,176 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1581 transitions. [2024-11-07 09:26:40,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1581 transitions. [2024-11-07 09:26:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 09:26:40,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:40,180 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:40,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 09:26:40,180 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:40,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:40,180 INFO L85 PathProgramCache]: Analyzing trace with hash -241309382, now seen corresponding path program 1 times [2024-11-07 09:26:40,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:40,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405278460] [2024-11-07 09:26:40,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:40,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:40,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:40,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405278460] [2024-11-07 09:26:40,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405278460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:40,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:40,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 09:26:40,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025428846] [2024-11-07 09:26:40,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:40,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 09:26:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 09:26:40,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:26:40,873 INFO L87 Difference]: Start difference. First operand 975 states and 1581 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:41,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:41,579 INFO L93 Difference]: Finished difference Result 2965 states and 4710 transitions. [2024-11-07 09:26:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 09:26:41,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-07 09:26:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:41,591 INFO L225 Difference]: With dead ends: 2965 [2024-11-07 09:26:41,592 INFO L226 Difference]: Without dead ends: 1993 [2024-11-07 09:26:41,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 09:26:41,595 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 552 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:41,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1669 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 09:26:41,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2024-11-07 09:26:41,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1981. [2024-11-07 09:26:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1981 states, 1724 states have (on average 1.5243619489559164) internal successors, (2628), 1734 states have internal predecessors, (2628), 244 states have call successors, (244), 12 states have call predecessors, (244), 12 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-07 09:26:41,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 3116 transitions. [2024-11-07 09:26:41,717 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 3116 transitions. Word has length 297 [2024-11-07 09:26:41,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:41,718 INFO L471 AbstractCegarLoop]: Abstraction has 1981 states and 3116 transitions. [2024-11-07 09:26:41,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-07 09:26:41,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 3116 transitions. [2024-11-07 09:26:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 09:26:41,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:41,723 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:41,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 09:26:41,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1272383188, now seen corresponding path program 1 times [2024-11-07 09:26:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:41,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253421621] [2024-11-07 09:26:41,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:42,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253421621] [2024-11-07 09:26:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253421621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056665007] [2024-11-07 09:26:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:42,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:42,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:26:42,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 09:26:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:42,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 09:26:42,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:26:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1836 proven. 57 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2024-11-07 09:26:42,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:26:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 69 proven. 57 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:43,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056665007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:26:43,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:26:43,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-07 09:26:43,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336106088] [2024-11-07 09:26:43,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:26:43,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 09:26:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:43,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 09:26:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 09:26:43,257 INFO L87 Difference]: Start difference. First operand 1981 states and 3116 transitions. Second operand has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) [2024-11-07 09:26:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:43,988 INFO L93 Difference]: Finished difference Result 2723 states and 4268 transitions. [2024-11-07 09:26:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 09:26:43,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) Word has length 298 [2024-11-07 09:26:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:43,994 INFO L225 Difference]: With dead ends: 2723 [2024-11-07 09:26:43,994 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 09:26:43,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 678 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-07 09:26:44,000 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1178 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:44,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 728 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 09:26:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 09:26:44,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 737. [2024-11-07 09:26:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 657 states have (on average 1.5235920852359208) internal successors, (1001), 659 states have internal predecessors, (1001), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 09:26:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1143 transitions. [2024-11-07 09:26:44,054 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1143 transitions. Word has length 298 [2024-11-07 09:26:44,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:44,055 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1143 transitions. [2024-11-07 09:26:44,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) [2024-11-07 09:26:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1143 transitions. [2024-11-07 09:26:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-07 09:26:44,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:44,059 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:44,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 09:26:44,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:44,260 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:44,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:44,261 INFO L85 PathProgramCache]: Analyzing trace with hash -747348445, now seen corresponding path program 1 times [2024-11-07 09:26:44,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:44,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121192508] [2024-11-07 09:26:44,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:44,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:44,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121192508] [2024-11-07 09:26:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121192508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078222756] [2024-11-07 09:26:44,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:44,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:44,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:44,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:26:44,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 09:26:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:45,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 09:26:45,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:26:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2247 proven. 63 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-11-07 09:26:45,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:26:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:46,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078222756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:26:46,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:26:46,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-07 09:26:46,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812830074] [2024-11-07 09:26:46,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:26:46,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 09:26:46,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:46,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 09:26:46,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-07 09:26:46,079 INFO L87 Difference]: Start difference. First operand 737 states and 1143 transitions. Second operand has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) [2024-11-07 09:26:46,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:46,441 INFO L93 Difference]: Finished difference Result 1325 states and 2064 transitions. [2024-11-07 09:26:46,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:26:46,442 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) Word has length 302 [2024-11-07 09:26:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:46,445 INFO L225 Difference]: With dead ends: 1325 [2024-11-07 09:26:46,445 INFO L226 Difference]: Without dead ends: 591 [2024-11-07 09:26:46,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:26:46,449 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 645 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:46,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 756 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:26:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-07 09:26:46,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 585. [2024-11-07 09:26:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 527 states have (on average 1.537001897533207) internal successors, (810), 528 states have internal predecessors, (810), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 09:26:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 910 transitions. [2024-11-07 09:26:46,475 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 910 transitions. Word has length 302 [2024-11-07 09:26:46,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:46,475 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 910 transitions. [2024-11-07 09:26:46,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) [2024-11-07 09:26:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 910 transitions. [2024-11-07 09:26:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-07 09:26:46,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:46,478 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:46,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 09:26:46,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:46,679 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:46,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:46,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1674098487, now seen corresponding path program 1 times [2024-11-07 09:26:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:46,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024952512] [2024-11-07 09:26:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:47,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:47,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024952512] [2024-11-07 09:26:47,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024952512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:47,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:47,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 09:26:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633470534] [2024-11-07 09:26:47,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:47,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 09:26:47,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 09:26:47,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 09:26:47,108 INFO L87 Difference]: Start difference. First operand 585 states and 910 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:47,258 INFO L93 Difference]: Finished difference Result 1195 states and 1857 transitions. [2024-11-07 09:26:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 09:26:47,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 302 [2024-11-07 09:26:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:47,262 INFO L225 Difference]: With dead ends: 1195 [2024-11-07 09:26:47,262 INFO L226 Difference]: Without dead ends: 613 [2024-11-07 09:26:47,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:26:47,266 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 156 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:47,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1081 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:26:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-07 09:26:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 610. [2024-11-07 09:26:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 537 states have (on average 1.5232774674115457) internal successors, (818), 538 states have internal predecessors, (818), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-07 09:26:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 946 transitions. [2024-11-07 09:26:47,296 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 946 transitions. Word has length 302 [2024-11-07 09:26:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:47,297 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 946 transitions. [2024-11-07 09:26:47,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 946 transitions. [2024-11-07 09:26:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-07 09:26:47,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:47,299 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:47,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 09:26:47,300 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:47,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1668782551, now seen corresponding path program 1 times [2024-11-07 09:26:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:47,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278475056] [2024-11-07 09:26:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:47,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:47,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278475056] [2024-11-07 09:26:47,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278475056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:47,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980077227] [2024-11-07 09:26:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:47,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:47,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:47,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:26:47,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 09:26:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:48,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 09:26:48,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:26:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2022 proven. 216 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-11-07 09:26:48,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:26:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 144 proven. 225 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-07 09:26:49,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980077227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:26:49,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:26:49,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 25 [2024-11-07 09:26:49,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441113360] [2024-11-07 09:26:49,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:26:49,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 09:26:49,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 09:26:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2024-11-07 09:26:49,595 INFO L87 Difference]: Start difference. First operand 610 states and 946 transitions. Second operand has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-07 09:26:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:53,143 INFO L93 Difference]: Finished difference Result 2461 states and 3715 transitions. [2024-11-07 09:26:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-07 09:26:53,143 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) Word has length 303 [2024-11-07 09:26:53,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:53,152 INFO L225 Difference]: With dead ends: 2461 [2024-11-07 09:26:53,152 INFO L226 Difference]: Without dead ends: 1854 [2024-11-07 09:26:53,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2923 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1985, Invalid=7135, Unknown=0, NotChecked=0, Total=9120 [2024-11-07 09:26:53,158 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 2685 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 2471 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2685 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 2471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:53,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2685 Valid, 2754 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 2471 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 09:26:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2024-11-07 09:26:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 965. [2024-11-07 09:26:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 893 states have (on average 1.520716685330347) internal successors, (1358), 894 states have internal predecessors, (1358), 58 states have call successors, (58), 13 states have call predecessors, (58), 13 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 09:26:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1474 transitions. [2024-11-07 09:26:53,205 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1474 transitions. Word has length 303 [2024-11-07 09:26:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:53,205 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1474 transitions. [2024-11-07 09:26:53,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-07 09:26:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1474 transitions. [2024-11-07 09:26:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-07 09:26:53,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:53,207 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:53,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 09:26:53,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:53,412 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:53,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:53,413 INFO L85 PathProgramCache]: Analyzing trace with hash 321529765, now seen corresponding path program 1 times [2024-11-07 09:26:53,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:53,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967503117] [2024-11-07 09:26:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 366 proven. 300 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2024-11-07 09:26:54,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:54,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967503117] [2024-11-07 09:26:54,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967503117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:54,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800161514] [2024-11-07 09:26:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:54,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:54,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:54,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:26:54,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 09:26:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:54,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-07 09:26:54,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:26:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2381 proven. 300 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-07 09:26:55,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:26:56,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800161514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:56,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 09:26:56,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21] total 26 [2024-11-07 09:26:56,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129349792] [2024-11-07 09:26:56,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 09:26:56,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-07 09:26:56,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-07 09:26:56,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1084, Unknown=0, NotChecked=0, Total=1406 [2024-11-07 09:26:56,630 INFO L87 Difference]: Start difference. First operand 965 states and 1474 transitions. Second operand has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) [2024-11-07 09:26:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:58,280 INFO L93 Difference]: Finished difference Result 1893 states and 2782 transitions. [2024-11-07 09:26:58,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 09:26:58,281 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) Word has length 303 [2024-11-07 09:26:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:58,285 INFO L225 Difference]: With dead ends: 1893 [2024-11-07 09:26:58,285 INFO L226 Difference]: Without dead ends: 931 [2024-11-07 09:26:58,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=961, Invalid=2821, Unknown=0, NotChecked=0, Total=3782 [2024-11-07 09:26:58,287 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 813 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:58,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1908 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 09:26:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-07 09:26:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 461. [2024-11-07 09:26:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 384 states have (on average 1.3802083333333333) internal successors, (530), 385 states have internal predecessors, (530), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 09:26:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 646 transitions. [2024-11-07 09:26:58,331 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 646 transitions. Word has length 303 [2024-11-07 09:26:58,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:58,332 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 646 transitions. [2024-11-07 09:26:58,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) [2024-11-07 09:26:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 646 transitions. [2024-11-07 09:26:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-07 09:26:58,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:58,334 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:58,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 09:26:58,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 09:26:58,539 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:58,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:58,539 INFO L85 PathProgramCache]: Analyzing trace with hash 67142668, now seen corresponding path program 1 times [2024-11-07 09:26:58,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:58,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254780784] [2024-11-07 09:26:58,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-07 09:26:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:58,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254780784] [2024-11-07 09:26:58,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254780784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:26:58,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:26:58,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 09:26:58,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139806946] [2024-11-07 09:26:58,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:26:58,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 09:26:58,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:26:58,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 09:26:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:26:58,779 INFO L87 Difference]: Start difference. First operand 461 states and 646 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:26:59,018 INFO L93 Difference]: Finished difference Result 1094 states and 1514 transitions. [2024-11-07 09:26:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 09:26:59,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 305 [2024-11-07 09:26:59,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:26:59,021 INFO L225 Difference]: With dead ends: 1094 [2024-11-07 09:26:59,021 INFO L226 Difference]: Without dead ends: 614 [2024-11-07 09:26:59,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 09:26:59,023 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 396 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:26:59,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 771 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:26:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-07 09:26:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 461. [2024-11-07 09:26:59,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 384 states have (on average 1.375) internal successors, (528), 385 states have internal predecessors, (528), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 09:26:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 644 transitions. [2024-11-07 09:26:59,081 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 644 transitions. Word has length 305 [2024-11-07 09:26:59,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:26:59,082 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 644 transitions. [2024-11-07 09:26:59,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-07 09:26:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 644 transitions. [2024-11-07 09:26:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-07 09:26:59,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:26:59,083 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:26:59,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 09:26:59,084 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:26:59,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:26:59,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2031169269, now seen corresponding path program 1 times [2024-11-07 09:26:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:26:59,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529729398] [2024-11-07 09:26:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:26:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:26:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:26:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:26:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:26:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:26:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:26:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:26:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:26:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:26:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:26:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:26:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:26:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:26:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:26:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:26:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:26:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:26:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:26:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:26:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:26:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:26:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:26:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:26:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:26:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:26:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:26:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:26:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:26:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:26:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:26:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:26:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:26:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:26:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:26:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:26:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:26:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:26:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:26:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:26:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:26:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:26:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:26:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:26:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 93 proven. 33 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:26:59,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:26:59,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529729398] [2024-11-07 09:26:59,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529729398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:26:59,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410185267] [2024-11-07 09:26:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:26:59,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:26:59,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:26:59,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:26:59,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 09:26:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:26:59,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 09:26:59,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:27:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2269 proven. 33 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2024-11-07 09:27:00,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:27:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 93 proven. 33 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-07 09:27:00,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410185267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:27:00,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:27:00,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-07 09:27:00,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572134099] [2024-11-07 09:27:00,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:27:00,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 09:27:00,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:27:00,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 09:27:00,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-07 09:27:00,451 INFO L87 Difference]: Start difference. First operand 461 states and 644 transitions. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-07 09:27:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:27:00,791 INFO L93 Difference]: Finished difference Result 929 states and 1294 transitions. [2024-11-07 09:27:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:27:00,792 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) Word has length 306 [2024-11-07 09:27:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:27:00,794 INFO L225 Difference]: With dead ends: 929 [2024-11-07 09:27:00,794 INFO L226 Difference]: Without dead ends: 471 [2024-11-07 09:27:00,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-07 09:27:00,796 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 445 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:27:00,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 655 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:27:00,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-07 09:27:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2024-11-07 09:27:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 387 states have (on average 1.351421188630491) internal successors, (523), 388 states have internal predecessors, (523), 58 states have call successors, (58), 19 states have call predecessors, (58), 19 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 09:27:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 639 transitions. [2024-11-07 09:27:00,862 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 639 transitions. Word has length 306 [2024-11-07 09:27:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:27:00,863 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 639 transitions. [2024-11-07 09:27:00,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-07 09:27:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 639 transitions. [2024-11-07 09:27:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 09:27:00,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:27:00,865 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:27:00,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 09:27:01,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 09:27:01,067 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:27:01,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:27:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash -242606859, now seen corresponding path program 1 times [2024-11-07 09:27:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:27:01,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66191186] [2024-11-07 09:27:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:27:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:27:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:27:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:27:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 09:27:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:27:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 09:27:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:27:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 09:27:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:27:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 09:27:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:27:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 09:27:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 09:27:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 09:27:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 09:27:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 09:27:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 09:27:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 09:27:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 09:27:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 09:27:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 09:27:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 09:27:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 09:27:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 09:27:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 09:27:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 09:27:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 09:27:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 09:27:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 09:27:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 09:27:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 09:27:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 09:27:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 09:27:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 09:27:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 09:27:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 09:27:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 09:27:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 09:27:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 09:27:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 09:27:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 09:27:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 09:27:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 09:27:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 09:27:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 189 proven. 171 refuted. 0 times theorem prover too weak. 3252 trivial. 0 not checked. [2024-11-07 09:27:02,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:27:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66191186] [2024-11-07 09:27:02,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66191186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:27:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793033776] [2024-11-07 09:27:02,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:27:02,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:27:02,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:27:02,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:27:02,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 09:27:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:02,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 09:27:02,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:27:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2737 proven. 240 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-11-07 09:27:03,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:27:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 228 proven. 258 refuted. 0 times theorem prover too weak. 3126 trivial. 0 not checked. [2024-11-07 09:27:05,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793033776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 09:27:05,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 09:27:05,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 16] total 40 [2024-11-07 09:27:05,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282129882] [2024-11-07 09:27:05,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 09:27:05,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-07 09:27:05,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:27:05,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-07 09:27:05,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 09:27:05,203 INFO L87 Difference]: Start difference. First operand 465 states and 639 transitions. Second operand has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) [2024-11-07 09:27:08,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:27:08,758 INFO L93 Difference]: Finished difference Result 2151 states and 2972 transitions. [2024-11-07 09:27:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-07 09:27:08,759 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) Word has length 307 [2024-11-07 09:27:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:27:08,768 INFO L225 Difference]: With dead ends: 2151 [2024-11-07 09:27:08,769 INFO L226 Difference]: Without dead ends: 1689 [2024-11-07 09:27:08,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2324, Invalid=6988, Unknown=0, NotChecked=0, Total=9312 [2024-11-07 09:27:08,772 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 2636 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 2949 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 3661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 2949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:27:08,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 2318 Invalid, 3661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 2949 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 09:27:08,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-11-07 09:27:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 733. [2024-11-07 09:27:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 643 states have (on average 1.3872472783825816) internal successors, (892), 645 states have internal predecessors, (892), 67 states have call successors, (67), 22 states have call predecessors, (67), 22 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-07 09:27:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1026 transitions. [2024-11-07 09:27:08,841 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1026 transitions. Word has length 307 [2024-11-07 09:27:08,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:27:08,841 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1026 transitions. [2024-11-07 09:27:08,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) [2024-11-07 09:27:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1026 transitions. [2024-11-07 09:27:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 09:27:08,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:27:08,843 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:27:08,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 09:27:09,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 09:27:09,044 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:27:09,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:27:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash -723687117, now seen corresponding path program 1 times [2024-11-07 09:27:09,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:27:09,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532168852] [2024-11-07 09:27:09,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:27:09,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:27:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 09:27:09,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54653292] [2024-11-07 09:27:09,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:27:09,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 09:27:09,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:27:09,289 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 09:27:09,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 09:27:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:27:09,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 09:27:09,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:27:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2039 proven. 372 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2024-11-07 09:27:18,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:27:36,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:27:36,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532168852] [2024-11-07 09:27:36,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 09:27:36,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54653292] [2024-11-07 09:27:36,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54653292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 09:27:36,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 09:27:36,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-07 09:27:36,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135140932] [2024-11-07 09:27:36,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 09:27:36,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 09:27:36,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:27:36,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 09:27:36,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=706, Unknown=2, NotChecked=0, Total=930 [2024-11-07 09:27:36,833 INFO L87 Difference]: Start difference. First operand 733 states and 1026 transitions. Second operand has 23 states, 23 states have (on average 5.173913043478261) internal successors, (119), 19 states have internal predecessors, (119), 7 states have call successors, (43), 7 states have call predecessors, (43), 9 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2024-11-07 09:27:45,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 09:27:49,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 09:27:53,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 09:27:57,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]