./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.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_fillercode_fillercodesize_ps-cn-100_file-3.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', '5d9520d6fd6d91e8f5e35de1857db72eb6a950fd8496ea43481a006fc8832028'] 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_fillercode_fillercodesize_ps-cn-100_file-3.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 5d9520d6fd6d91e8f5e35de1857db72eb6a950fd8496ea43481a006fc8832028 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:42:25,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:42:25,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:42:25,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:42:25,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:42:25,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:42:25,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:42:25,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:42:25,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:42:25,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:42:25,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:42:25,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:42:25,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:42:25,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:42:25,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:42:25,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:42:25,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:42:25,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:42:25,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:42:25,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:42:25,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:42:25,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:42:25,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:42:25,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:42:25,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:42:25,425 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 -> 5d9520d6fd6d91e8f5e35de1857db72eb6a950fd8496ea43481a006fc8832028 [2024-11-07 04:42:25,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:42:25,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:42:25,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:42:25,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:42:25,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:42:25,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-07 04:42:27,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:42:27,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:42:27,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-07 04:42:27,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9642a2e76/8e5aa1c7c767458eb7b0300c4bbf9a24/FLAGb0a8a1626 [2024-11-07 04:42:27,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9642a2e76/8e5aa1c7c767458eb7b0300c4bbf9a24 [2024-11-07 04:42:27,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:42:27,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:42:27,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:42:27,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:42:27,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:42:27,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e36e642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27, skipping insertion in model container [2024-11-07 04:42:27,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:42:27,600 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_fillercode_fillercodesize_ps-cn-100_file-3.i[915,928] [2024-11-07 04:42:27,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:42:27,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:42:27,729 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_fillercode_fillercodesize_ps-cn-100_file-3.i[915,928] [2024-11-07 04:42:27,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:42:27,825 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:42:27,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27 WrapperNode [2024-11-07 04:42:27,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:42:27,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:42:27,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:42:27,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:42:27,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,923 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 351 [2024-11-07 04:42:27,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:42:27,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:42:27,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:42:27,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:42:27,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,981 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 04:42:27,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:27,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:42:28,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:42:28,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:42:28,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:42:28,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (1/1) ... [2024-11-07 04:42:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:42:28,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:42:28,072 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 04:42:28,080 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 04:42:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:42:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:42:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:42:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:42:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:42:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:42:28,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:42:28,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:42:29,018 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 04:42:29,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:42:29,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:42:29,039 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:42:29,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:42:29 BoogieIcfgContainer [2024-11-07 04:42:29,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:42:29,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:42:29,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:42:29,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:42:29,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:42:27" (1/3) ... [2024-11-07 04:42:29,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1089c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:42:29, skipping insertion in model container [2024-11-07 04:42:29,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:42:27" (2/3) ... [2024-11-07 04:42:29,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1089c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:42:29, skipping insertion in model container [2024-11-07 04:42:29,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:42:29" (3/3) ... [2024-11-07 04:42:29,055 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-3.i [2024-11-07 04:42:29,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:42:29,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:42:29,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:42:29,155 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;@503fde03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:42:29,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:42:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 98 states have (on average 1.489795918367347) internal successors, (146), 99 states have internal predecessors, (146), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 04:42:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-07 04:42:29,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:29,180 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:29,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:29,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:29,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1666308434, now seen corresponding path program 1 times [2024-11-07 04:42:29,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:29,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565566899] [2024-11-07 04:42:29,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:29,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:30,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:30,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565566899] [2024-11-07 04:42:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565566899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:30,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:42:30,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:42:30,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887379246] [2024-11-07 04:42:30,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:30,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:42:30,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:42:30,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:42:30,102 INFO L87 Difference]: Start difference. First operand has 155 states, 98 states have (on average 1.489795918367347) internal successors, (146), 99 states have internal predecessors, (146), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:42:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:30,159 INFO L93 Difference]: Finished difference Result 303 states and 556 transitions. [2024-11-07 04:42:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:42:30,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 335 [2024-11-07 04:42:30,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:30,170 INFO L225 Difference]: With dead ends: 303 [2024-11-07 04:42:30,171 INFO L226 Difference]: Without dead ends: 151 [2024-11-07 04:42:30,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 04:42:30,178 INFO L432 NwaCegarLoop]: 245 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, 245 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 04:42:30,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:42:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-07 04:42:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-07 04:42:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 95 states have internal predecessors, (137), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 04:42:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 245 transitions. [2024-11-07 04:42:30,261 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 245 transitions. Word has length 335 [2024-11-07 04:42:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:30,261 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 245 transitions. [2024-11-07 04:42:30,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:42:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2024-11-07 04:42:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-07 04:42:30,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:30,275 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:30,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:42:30,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:30,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:30,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1191402606, now seen corresponding path program 1 times [2024-11-07 04:42:30,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:30,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878930148] [2024-11-07 04:42:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:31,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:31,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878930148] [2024-11-07 04:42:31,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878930148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:31,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:42:31,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:42:31,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657736074] [2024-11-07 04:42:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:31,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:42:31,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:31,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:42:31,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:31,446 INFO L87 Difference]: Start difference. First operand 151 states and 245 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:31,568 INFO L93 Difference]: Finished difference Result 447 states and 729 transitions. [2024-11-07 04:42:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:42:31,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 335 [2024-11-07 04:42:31,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:31,577 INFO L225 Difference]: With dead ends: 447 [2024-11-07 04:42:31,579 INFO L226 Difference]: Without dead ends: 299 [2024-11-07 04:42:31,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:31,583 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 130 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:31,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 484 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 04:42:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-07 04:42:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2024-11-07 04:42:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 186 states have (on average 1.4301075268817205) internal successors, (266), 186 states have internal predecessors, (266), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 04:42:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 482 transitions. [2024-11-07 04:42:31,664 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 482 transitions. Word has length 335 [2024-11-07 04:42:31,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:31,665 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 482 transitions. [2024-11-07 04:42:31,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 482 transitions. [2024-11-07 04:42:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-07 04:42:31,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:31,672 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:31,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:42:31,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:31,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1908647599, now seen corresponding path program 1 times [2024-11-07 04:42:31,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:31,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340488241] [2024-11-07 04:42:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:32,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:32,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340488241] [2024-11-07 04:42:32,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340488241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:32,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:42:32,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:42:32,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098827125] [2024-11-07 04:42:32,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:32,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:42:32,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:32,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:42:32,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:32,070 INFO L87 Difference]: Start difference. First operand 297 states and 482 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:32,166 INFO L93 Difference]: Finished difference Result 655 states and 1056 transitions. [2024-11-07 04:42:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:42:32,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 336 [2024-11-07 04:42:32,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:32,175 INFO L225 Difference]: With dead ends: 655 [2024-11-07 04:42:32,178 INFO L226 Difference]: Without dead ends: 361 [2024-11-07 04:42:32,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:32,181 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 43 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:32,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 506 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:42:32,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-07 04:42:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 315. [2024-11-07 04:42:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 204 states have (on average 1.4313725490196079) internal successors, (292), 204 states have internal predecessors, (292), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 04:42:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 508 transitions. [2024-11-07 04:42:32,250 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 508 transitions. Word has length 336 [2024-11-07 04:42:32,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:32,252 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 508 transitions. [2024-11-07 04:42:32,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 508 transitions. [2024-11-07 04:42:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-07 04:42:32,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:32,260 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:32,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:42:32,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:32,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:32,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1351040683, now seen corresponding path program 1 times [2024-11-07 04:42:32,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:32,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803071050] [2024-11-07 04:42:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:32,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:32,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:32,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803071050] [2024-11-07 04:42:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803071050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:32,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:42:32,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:42:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480890430] [2024-11-07 04:42:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:42:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:42:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:32,680 INFO L87 Difference]: Start difference. First operand 315 states and 508 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:32,807 INFO L93 Difference]: Finished difference Result 931 states and 1508 transitions. [2024-11-07 04:42:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:42:32,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 336 [2024-11-07 04:42:32,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:32,818 INFO L225 Difference]: With dead ends: 931 [2024-11-07 04:42:32,820 INFO L226 Difference]: Without dead ends: 619 [2024-11-07 04:42:32,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:42:32,823 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 229 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:32,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 686 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 04:42:32,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-07 04:42:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 617. [2024-11-07 04:42:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 396 states have (on average 1.4242424242424243) internal successors, (564), 396 states have internal predecessors, (564), 216 states have call successors, (216), 4 states have call predecessors, (216), 4 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-07 04:42:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 996 transitions. [2024-11-07 04:42:32,941 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 996 transitions. Word has length 336 [2024-11-07 04:42:32,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:32,944 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 996 transitions. [2024-11-07 04:42:32,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 996 transitions. [2024-11-07 04:42:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-07 04:42:32,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:32,951 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:32,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 04:42:32,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:32,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:32,951 INFO L85 PathProgramCache]: Analyzing trace with hash -272458594, now seen corresponding path program 1 times [2024-11-07 04:42:32,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:32,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879222266] [2024-11-07 04:42:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:34,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:34,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879222266] [2024-11-07 04:42:34,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879222266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:34,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:42:34,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 04:42:34,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604430165] [2024-11-07 04:42:34,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:34,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 04:42:34,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:34,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 04:42:34,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 04:42:34,076 INFO L87 Difference]: Start difference. First operand 617 states and 996 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:42:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:35,259 INFO L93 Difference]: Finished difference Result 1855 states and 2999 transitions. [2024-11-07 04:42:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 04:42:35,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 337 [2024-11-07 04:42:35,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:35,272 INFO L225 Difference]: With dead ends: 1855 [2024-11-07 04:42:35,272 INFO L226 Difference]: Without dead ends: 1547 [2024-11-07 04:42:35,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-07 04:42:35,275 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 542 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:35,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1041 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 04:42:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2024-11-07 04:42:35,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1535. [2024-11-07 04:42:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 984 states have (on average 1.4308943089430894) internal successors, (1408), 984 states have internal predecessors, (1408), 540 states have call successors, (540), 10 states have call predecessors, (540), 10 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2024-11-07 04:42:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2488 transitions. [2024-11-07 04:42:35,493 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2488 transitions. Word has length 337 [2024-11-07 04:42:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:35,495 INFO L471 AbstractCegarLoop]: Abstraction has 1535 states and 2488 transitions. [2024-11-07 04:42:35,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:42:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2488 transitions. [2024-11-07 04:42:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-07 04:42:35,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:35,502 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:35,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 04:42:35,502 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1726860146, now seen corresponding path program 1 times [2024-11-07 04:42:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302454019] [2024-11-07 04:42:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 96 proven. 63 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:36,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302454019] [2024-11-07 04:42:36,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302454019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:42:36,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485725549] [2024-11-07 04:42:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:36,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:42:36,089 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 04:42:36,090 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 04:42:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:36,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 04:42:36,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:42:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:42:36,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 04:42:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485725549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:42:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 04:42:36,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-07 04:42:36,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576517366] [2024-11-07 04:42:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:42:36,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 04:42:36,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:36,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 04:42:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:42:36,460 INFO L87 Difference]: Start difference. First operand 1535 states and 2488 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:36,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:36,640 INFO L93 Difference]: Finished difference Result 3107 states and 5043 transitions. [2024-11-07 04:42:36,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:42:36,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 337 [2024-11-07 04:42:36,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:36,655 INFO L225 Difference]: With dead ends: 3107 [2024-11-07 04:42:36,655 INFO L226 Difference]: Without dead ends: 1575 [2024-11-07 04:42:36,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:42:36,663 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 2 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:36,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 483 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:42:36,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-07 04:42:36,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1555. [2024-11-07 04:42:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1004 states have (on average 1.4322709163346614) internal successors, (1438), 1004 states have internal predecessors, (1438), 540 states have call successors, (540), 10 states have call predecessors, (540), 10 states have return successors, (540), 540 states have call predecessors, (540), 540 states have call successors, (540) [2024-11-07 04:42:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2518 transitions. [2024-11-07 04:42:36,819 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2518 transitions. Word has length 337 [2024-11-07 04:42:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:36,820 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2518 transitions. [2024-11-07 04:42:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:42:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2518 transitions. [2024-11-07 04:42:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 04:42:36,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:36,826 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:36,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 04:42:37,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:37,027 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:37,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1313481705, now seen corresponding path program 1 times [2024-11-07 04:42:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:37,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666449559] [2024-11-07 04:42:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 96 proven. 63 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:37,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:37,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666449559] [2024-11-07 04:42:37,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666449559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:42:37,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623617665] [2024-11-07 04:42:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:37,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:37,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:42:37,552 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 04:42:37,554 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 04:42:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:37,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 04:42:37,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:42:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2409 proven. 45 refuted. 0 times theorem prover too weak. 3270 trivial. 0 not checked. [2024-11-07 04:42:38,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:42:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623617665] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:42:38,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:42:38,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 18 [2024-11-07 04:42:38,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731443882] [2024-11-07 04:42:38,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:42:38,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 04:42:38,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 04:42:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:42:38,851 INFO L87 Difference]: Start difference. First operand 1555 states and 2518 transitions. Second operand has 18 states, 18 states have (on average 7.055555555555555) internal successors, (127), 18 states have internal predecessors, (127), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-07 04:42:49,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:49,258 INFO L93 Difference]: Finished difference Result 26685 states and 41048 transitions. [2024-11-07 04:42:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-11-07 04:42:49,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.055555555555555) internal successors, (127), 18 states have internal predecessors, (127), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 338 [2024-11-07 04:42:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:49,466 INFO L225 Difference]: With dead ends: 26685 [2024-11-07 04:42:49,467 INFO L226 Difference]: Without dead ends: 25133 [2024-11-07 04:42:49,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 953 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8836 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4905, Invalid=18657, Unknown=0, NotChecked=0, Total=23562 [2024-11-07 04:42:49,490 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 3824 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 1593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:49,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3825 Valid, 3085 Invalid, 4239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1593 Valid, 2646 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-07 04:42:49,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25133 states. [2024-11-07 04:42:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25133 to 5085. [2024-11-07 04:42:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5085 states, 3824 states have (on average 1.455020920502092) internal successors, (5564), 3864 states have internal predecessors, (5564), 1180 states have call successors, (1180), 80 states have call predecessors, (1180), 80 states have return successors, (1180), 1140 states have call predecessors, (1180), 1180 states have call successors, (1180) [2024-11-07 04:42:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5085 states to 5085 states and 7924 transitions. [2024-11-07 04:42:50,559 INFO L78 Accepts]: Start accepts. Automaton has 5085 states and 7924 transitions. Word has length 338 [2024-11-07 04:42:50,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:50,560 INFO L471 AbstractCegarLoop]: Abstraction has 5085 states and 7924 transitions. [2024-11-07 04:42:50,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.055555555555555) internal successors, (127), 18 states have internal predecessors, (127), 4 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2024-11-07 04:42:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5085 states and 7924 transitions. [2024-11-07 04:42:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 04:42:50,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:50,570 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:50,590 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 04:42:50,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:50,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:50,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:50,771 INFO L85 PathProgramCache]: Analyzing trace with hash 54662983, now seen corresponding path program 1 times [2024-11-07 04:42:50,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:50,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994309418] [2024-11-07 04:42:50,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 90 proven. 69 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:51,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:51,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994309418] [2024-11-07 04:42:51,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994309418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:42:51,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429250935] [2024-11-07 04:42:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:51,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:51,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:42:51,287 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 04:42:51,289 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 04:42:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:51,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 04:42:51,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:42:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2873 proven. 69 refuted. 0 times theorem prover too weak. 2782 trivial. 0 not checked. [2024-11-07 04:42:51,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:42:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 90 proven. 69 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:52,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429250935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:42:52,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:42:52,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-07 04:42:52,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468299835] [2024-11-07 04:42:52,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:42:52,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 04:42:52,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:52,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 04:42:52,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:42:52,078 INFO L87 Difference]: Start difference. First operand 5085 states and 7924 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 3 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) [2024-11-07 04:42:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:42:52,658 INFO L93 Difference]: Finished difference Result 10277 states and 15915 transitions. [2024-11-07 04:42:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 04:42:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 3 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) Word has length 338 [2024-11-07 04:42:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:42:52,697 INFO L225 Difference]: With dead ends: 10277 [2024-11-07 04:42:52,698 INFO L226 Difference]: Without dead ends: 5195 [2024-11-07 04:42:52,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-07 04:42:52,712 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 243 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 04:42:52,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 429 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 04:42:52,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2024-11-07 04:42:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5095. [2024-11-07 04:42:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 3824 states have (on average 1.4367154811715481) internal successors, (5494), 3864 states have internal predecessors, (5494), 1180 states have call successors, (1180), 90 states have call predecessors, (1180), 90 states have return successors, (1180), 1140 states have call predecessors, (1180), 1180 states have call successors, (1180) [2024-11-07 04:42:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 7854 transitions. [2024-11-07 04:42:53,215 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 7854 transitions. Word has length 338 [2024-11-07 04:42:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:42:53,216 INFO L471 AbstractCegarLoop]: Abstraction has 5095 states and 7854 transitions. [2024-11-07 04:42:53,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 3 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 3 states have call predecessors, (101), 3 states have call successors, (101) [2024-11-07 04:42:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 7854 transitions. [2024-11-07 04:42:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 04:42:53,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:42:53,226 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:53,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 04:42:53,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:53,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:42:53,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:42:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1852952958, now seen corresponding path program 1 times [2024-11-07 04:42:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:42:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705209841] [2024-11-07 04:42:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:42:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:42:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:42:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:42:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:42:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:42:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:42:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:42:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:42:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:42:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:42:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:42:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:42:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:42:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:42:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:42:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:42:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:42:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:42:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:42:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:42:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:42:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:42:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:42:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:42:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:42:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:42:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:42:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:42:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:42:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:42:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:42:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:42:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:42:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:42:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:42:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:42:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:42:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:42:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:42:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:42:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:42:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:42:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:42:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:42:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:42:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:42:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:42:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:42:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:42:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:42:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:42:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:42:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:42:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:42:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 42 proven. 117 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:55,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:42:55,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705209841] [2024-11-07 04:42:55,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705209841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:42:55,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757313257] [2024-11-07 04:42:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:42:55,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:42:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:42:55,398 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 04:42:55,400 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 04:42:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:42:55,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 04:42:55,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:42:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2409 proven. 45 refuted. 0 times theorem prover too weak. 3270 trivial. 0 not checked. [2024-11-07 04:42:56,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:42:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 114 proven. 45 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-07 04:42:56,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757313257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:42:56,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:42:56,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 16 [2024-11-07 04:42:56,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264357986] [2024-11-07 04:42:56,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:42:56,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 04:42:56,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:42:56,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 04:42:56,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-07 04:42:56,660 INFO L87 Difference]: Start difference. First operand 5095 states and 7854 transitions. Second operand has 16 states, 16 states have (on average 9.3125) internal successors, (149), 16 states have internal predecessors, (149), 4 states have call successors, (108), 2 states have call predecessors, (108), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-07 04:43:03,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:03,530 INFO L93 Difference]: Finished difference Result 23161 states and 34091 transitions. [2024-11-07 04:43:03,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-11-07 04:43:03,531 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.3125) internal successors, (149), 16 states have internal predecessors, (149), 4 states have call successors, (108), 2 states have call predecessors, (108), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) Word has length 338 [2024-11-07 04:43:03,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:03,611 INFO L225 Difference]: With dead ends: 23161 [2024-11-07 04:43:03,612 INFO L226 Difference]: Without dead ends: 18069 [2024-11-07 04:43:03,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6266 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3541, Invalid=12715, Unknown=0, NotChecked=0, Total=16256 [2024-11-07 04:43:03,640 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 2026 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:03,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 2128 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 04:43:03,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18069 states. [2024-11-07 04:43:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18069 to 5459. [2024-11-07 04:43:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5459 states, 4338 states have (on average 1.4601198709082526) internal successors, (6334), 4378 states have internal predecessors, (6334), 1000 states have call successors, (1000), 120 states have call predecessors, (1000), 120 states have return successors, (1000), 960 states have call predecessors, (1000), 1000 states have call successors, (1000) [2024-11-07 04:43:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5459 states to 5459 states and 8334 transitions. [2024-11-07 04:43:04,523 INFO L78 Accepts]: Start accepts. Automaton has 5459 states and 8334 transitions. Word has length 338 [2024-11-07 04:43:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:04,524 INFO L471 AbstractCegarLoop]: Abstraction has 5459 states and 8334 transitions. [2024-11-07 04:43:04,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.3125) internal successors, (149), 16 states have internal predecessors, (149), 4 states have call successors, (108), 2 states have call predecessors, (108), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-07 04:43:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 5459 states and 8334 transitions. [2024-11-07 04:43:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 04:43:04,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:04,530 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:04,549 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 04:43:04,730 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,SelfDestructingSolverStorable8 [2024-11-07 04:43:04,731 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:04,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:04,731 INFO L85 PathProgramCache]: Analyzing trace with hash -572252087, now seen corresponding path program 1 times [2024-11-07 04:43:04,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:04,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4905434] [2024-11-07 04:43:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:04,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:05,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4905434] [2024-11-07 04:43:05,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4905434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:05,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:05,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:43:05,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608289827] [2024-11-07 04:43:05,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:05,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:43:05,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:05,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:43:05,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:43:05,052 INFO L87 Difference]: Start difference. First operand 5459 states and 8334 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:06,019 INFO L93 Difference]: Finished difference Result 13009 states and 19866 transitions. [2024-11-07 04:43:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:43:06,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 338 [2024-11-07 04:43:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:06,049 INFO L225 Difference]: With dead ends: 13009 [2024-11-07 04:43:06,049 INFO L226 Difference]: Without dead ends: 7553 [2024-11-07 04:43:06,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:43:06,065 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 128 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:06,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 491 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:43:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7553 states. [2024-11-07 04:43:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7553 to 7551. [2024-11-07 04:43:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7551 states, 5982 states have (on average 1.4533600802407223) internal successors, (8694), 6038 states have internal predecessors, (8694), 1400 states have call successors, (1400), 168 states have call predecessors, (1400), 168 states have return successors, (1400), 1344 states have call predecessors, (1400), 1400 states have call successors, (1400) [2024-11-07 04:43:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7551 states to 7551 states and 11494 transitions. [2024-11-07 04:43:07,011 INFO L78 Accepts]: Start accepts. Automaton has 7551 states and 11494 transitions. Word has length 338 [2024-11-07 04:43:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:07,012 INFO L471 AbstractCegarLoop]: Abstraction has 7551 states and 11494 transitions. [2024-11-07 04:43:07,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7551 states and 11494 transitions. [2024-11-07 04:43:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:07,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:07,017 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:07,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 04:43:07,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:07,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:07,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1850092733, now seen corresponding path program 1 times [2024-11-07 04:43:07,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:07,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817744885] [2024-11-07 04:43:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:07,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:07,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817744885] [2024-11-07 04:43:07,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817744885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:07,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:07,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 04:43:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439793442] [2024-11-07 04:43:07,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:07,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 04:43:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:07,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 04:43:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 04:43:07,386 INFO L87 Difference]: Start difference. First operand 7551 states and 11494 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:09,760 INFO L93 Difference]: Finished difference Result 23099 states and 34856 transitions. [2024-11-07 04:43:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 04:43:09,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 339 [2024-11-07 04:43:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:09,818 INFO L225 Difference]: With dead ends: 23099 [2024-11-07 04:43:09,819 INFO L226 Difference]: Without dead ends: 15369 [2024-11-07 04:43:09,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 04:43:09,844 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 578 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:09,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1225 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 04:43:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15369 states. [2024-11-07 04:43:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15369 to 4395. [2024-11-07 04:43:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4395 states, 3274 states have (on average 1.420891875381796) internal successors, (4652), 3288 states have internal predecessors, (4652), 994 states have call successors, (994), 126 states have call predecessors, (994), 126 states have return successors, (994), 980 states have call predecessors, (994), 994 states have call successors, (994) [2024-11-07 04:43:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 4395 states and 6640 transitions. [2024-11-07 04:43:10,909 INFO L78 Accepts]: Start accepts. Automaton has 4395 states and 6640 transitions. Word has length 339 [2024-11-07 04:43:10,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:10,910 INFO L471 AbstractCegarLoop]: Abstraction has 4395 states and 6640 transitions. [2024-11-07 04:43:10,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4395 states and 6640 transitions. [2024-11-07 04:43:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:10,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:10,913 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:10,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 04:43:10,914 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:10,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash -694976929, now seen corresponding path program 1 times [2024-11-07 04:43:10,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137315628] [2024-11-07 04:43:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:11,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:11,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137315628] [2024-11-07 04:43:11,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137315628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:11,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:11,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 04:43:11,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359417775] [2024-11-07 04:43:11,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:11,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 04:43:11,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:11,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 04:43:11,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 04:43:11,245 INFO L87 Difference]: Start difference. First operand 4395 states and 6640 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:12,121 INFO L93 Difference]: Finished difference Result 6020 states and 9108 transitions. [2024-11-07 04:43:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 04:43:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 339 [2024-11-07 04:43:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:12,139 INFO L225 Difference]: With dead ends: 6020 [2024-11-07 04:43:12,140 INFO L226 Difference]: Without dead ends: 4421 [2024-11-07 04:43:12,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:43:12,145 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 213 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:12,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 786 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 04:43:12,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2024-11-07 04:43:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 3797. [2024-11-07 04:43:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3797 states, 2836 states have (on average 1.4203102961918195) internal successors, (4028), 2848 states have internal predecessors, (4028), 852 states have call successors, (852), 108 states have call predecessors, (852), 108 states have return successors, (852), 840 states have call predecessors, (852), 852 states have call successors, (852) [2024-11-07 04:43:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 5732 transitions. [2024-11-07 04:43:12,683 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 5732 transitions. Word has length 339 [2024-11-07 04:43:12,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:12,684 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 5732 transitions. [2024-11-07 04:43:12,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 5732 transitions. [2024-11-07 04:43:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:12,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:12,687 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:12,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 04:43:12,688 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:12,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:12,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1399424560, now seen corresponding path program 1 times [2024-11-07 04:43:12,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:12,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896550125] [2024-11-07 04:43:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:12,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:13,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:13,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896550125] [2024-11-07 04:43:13,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896550125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:13,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:13,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 04:43:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032509519] [2024-11-07 04:43:13,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:13,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 04:43:13,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 04:43:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:43:13,007 INFO L87 Difference]: Start difference. First operand 3797 states and 5732 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:14,745 INFO L93 Difference]: Finished difference Result 11537 states and 17379 transitions. [2024-11-07 04:43:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 04:43:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 339 [2024-11-07 04:43:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:14,778 INFO L225 Difference]: With dead ends: 11537 [2024-11-07 04:43:14,779 INFO L226 Difference]: Without dead ends: 7671 [2024-11-07 04:43:14,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 04:43:14,794 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 341 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:14,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 710 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:43:14,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2024-11-07 04:43:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 6497. [2024-11-07 04:43:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6497 states, 4900 states have (on average 1.413061224489796) internal successors, (6924), 4936 states have internal predecessors, (6924), 1416 states have call successors, (1416), 180 states have call predecessors, (1416), 180 states have return successors, (1416), 1380 states have call predecessors, (1416), 1416 states have call successors, (1416) [2024-11-07 04:43:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9756 transitions. [2024-11-07 04:43:15,826 INFO L78 Accepts]: Start accepts. Automaton has 6497 states and 9756 transitions. Word has length 339 [2024-11-07 04:43:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:15,827 INFO L471 AbstractCegarLoop]: Abstraction has 6497 states and 9756 transitions. [2024-11-07 04:43:15,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 6497 states and 9756 transitions. [2024-11-07 04:43:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:15,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:15,832 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:15,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 04:43:15,832 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:15,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:15,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1461464174, now seen corresponding path program 1 times [2024-11-07 04:43:15,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456597071] [2024-11-07 04:43:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:15,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:16,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:16,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456597071] [2024-11-07 04:43:16,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456597071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:16,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:16,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 04:43:16,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630419882] [2024-11-07 04:43:16,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:16,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 04:43:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:16,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 04:43:16,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 04:43:16,200 INFO L87 Difference]: Start difference. First operand 6497 states and 9756 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:17,567 INFO L93 Difference]: Finished difference Result 10937 states and 16467 transitions. [2024-11-07 04:43:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:43:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 339 [2024-11-07 04:43:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:17,592 INFO L225 Difference]: With dead ends: 10937 [2024-11-07 04:43:17,592 INFO L226 Difference]: Without dead ends: 7677 [2024-11-07 04:43:17,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 04:43:17,606 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 334 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:17,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 932 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 04:43:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2024-11-07 04:43:18,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 6945. [2024-11-07 04:43:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 5348 states have (on average 1.4233358264771878) internal successors, (7612), 5384 states have internal predecessors, (7612), 1416 states have call successors, (1416), 180 states have call predecessors, (1416), 180 states have return successors, (1416), 1380 states have call predecessors, (1416), 1416 states have call successors, (1416) [2024-11-07 04:43:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 10444 transitions. [2024-11-07 04:43:18,747 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 10444 transitions. Word has length 339 [2024-11-07 04:43:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:18,748 INFO L471 AbstractCegarLoop]: Abstraction has 6945 states and 10444 transitions. [2024-11-07 04:43:18,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-07 04:43:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 10444 transitions. [2024-11-07 04:43:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:18,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:18,753 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:18,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 04:43:18,753 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:18,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1941175453, now seen corresponding path program 1 times [2024-11-07 04:43:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264193907] [2024-11-07 04:43:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 57 proven. 255 refuted. 0 times theorem prover too weak. 5412 trivial. 0 not checked. [2024-11-07 04:43:20,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:20,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264193907] [2024-11-07 04:43:20,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264193907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 04:43:20,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138994551] [2024-11-07 04:43:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:20,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:43:20,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:43:20,732 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 04:43:20,733 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 04:43:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:20,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 04:43:20,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:43:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2182 proven. 489 refuted. 0 times theorem prover too weak. 3053 trivial. 0 not checked. [2024-11-07 04:43:23,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 04:43:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 111 proven. 507 refuted. 0 times theorem prover too weak. 5106 trivial. 0 not checked. [2024-11-07 04:43:24,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138994551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 04:43:24,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 04:43:24,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 15] total 34 [2024-11-07 04:43:24,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276218054] [2024-11-07 04:43:24,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 04:43:24,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-07 04:43:24,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:24,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-07 04:43:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 04:43:24,953 INFO L87 Difference]: Start difference. First operand 6945 states and 10444 transitions. Second operand has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 32 states have internal predecessors, (210), 12 states have call successors, (150), 6 states have call predecessors, (150), 13 states have return successors, (150), 11 states have call predecessors, (150), 12 states have call successors, (150) [2024-11-07 04:43:27,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:27,401 INFO L93 Difference]: Finished difference Result 10849 states and 15902 transitions. [2024-11-07 04:43:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 04:43:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 32 states have internal predecessors, (210), 12 states have call successors, (150), 6 states have call predecessors, (150), 13 states have return successors, (150), 11 states have call predecessors, (150), 12 states have call successors, (150) Word has length 339 [2024-11-07 04:43:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:27,419 INFO L225 Difference]: With dead ends: 10849 [2024-11-07 04:43:27,419 INFO L226 Difference]: Without dead ends: 6351 [2024-11-07 04:43:27,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 765 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1071, Invalid=2469, Unknown=0, NotChecked=0, Total=3540 [2024-11-07 04:43:27,429 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1257 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:27,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 647 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 04:43:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6351 states. [2024-11-07 04:43:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6351 to 4689. [2024-11-07 04:43:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 3528 states have (on average 1.3673469387755102) internal successors, (4824), 3552 states have internal predecessors, (4824), 944 states have call successors, (944), 216 states have call predecessors, (944), 216 states have return successors, (944), 920 states have call predecessors, (944), 944 states have call successors, (944) [2024-11-07 04:43:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 6712 transitions. [2024-11-07 04:43:28,340 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 6712 transitions. Word has length 339 [2024-11-07 04:43:28,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:28,341 INFO L471 AbstractCegarLoop]: Abstraction has 4689 states and 6712 transitions. [2024-11-07 04:43:28,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 32 states have internal predecessors, (210), 12 states have call successors, (150), 6 states have call predecessors, (150), 13 states have return successors, (150), 11 states have call predecessors, (150), 12 states have call successors, (150) [2024-11-07 04:43:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 6712 transitions. [2024-11-07 04:43:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 04:43:28,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:28,344 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:28,361 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 04:43:28,545 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,SelfDestructingSolverStorable14 [2024-11-07 04:43:28,545 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:28,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:28,546 INFO L85 PathProgramCache]: Analyzing trace with hash 86982973, now seen corresponding path program 1 times [2024-11-07 04:43:28,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:28,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085836963] [2024-11-07 04:43:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:43:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:43:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:43:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:43:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:43:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:43:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:43:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:43:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:43:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:43:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:43:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 04:43:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:43:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 04:43:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:43:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 04:43:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:43:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:43:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:43:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:43:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 04:43:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 04:43:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 04:43:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 04:43:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 04:43:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 04:43:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 04:43:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 04:43:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 04:43:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 04:43:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 04:43:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 04:43:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 04:43:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 04:43:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 04:43:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 04:43:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 04:43:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 04:43:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 04:43:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 04:43:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 04:43:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 04:43:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 04:43:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 04:43:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 04:43:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 04:43:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 04:43:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 04:43:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 04:43:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 04:43:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 04:43:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 04:43:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 04:43:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-07 04:43:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:43:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-07 04:43:28,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:43:28,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085836963] [2024-11-07 04:43:28,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085836963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:43:28,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:43:28,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 04:43:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358419977] [2024-11-07 04:43:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:43:28,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 04:43:28,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:43:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 04:43:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:43:28,979 INFO L87 Difference]: Start difference. First operand 4689 states and 6712 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:43:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:43:30,581 INFO L93 Difference]: Finished difference Result 10645 states and 15231 transitions. [2024-11-07 04:43:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 04:43:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 339 [2024-11-07 04:43:30,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:43:30,596 INFO L225 Difference]: With dead ends: 10645 [2024-11-07 04:43:30,596 INFO L226 Difference]: Without dead ends: 5959 [2024-11-07 04:43:30,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-07 04:43:30,603 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 667 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 04:43:30,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1013 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 04:43:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2024-11-07 04:43:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5915. [2024-11-07 04:43:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5915 states, 4464 states have (on average 1.3664874551971327) internal successors, (6100), 4494 states have internal predecessors, (6100), 1180 states have call successors, (1180), 270 states have call predecessors, (1180), 270 states have return successors, (1180), 1150 states have call predecessors, (1180), 1180 states have call successors, (1180) [2024-11-07 04:43:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 5915 states and 8460 transitions. [2024-11-07 04:43:31,905 INFO L78 Accepts]: Start accepts. Automaton has 5915 states and 8460 transitions. Word has length 339 [2024-11-07 04:43:31,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:43:31,906 INFO L471 AbstractCegarLoop]: Abstraction has 5915 states and 8460 transitions. [2024-11-07 04:43:31,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-07 04:43:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 8460 transitions. [2024-11-07 04:43:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-07 04:43:31,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:43:31,909 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:31,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 04:43:31,909 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:43:31,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:43:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1901308414, now seen corresponding path program 1 times [2024-11-07 04:43:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:43:31,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865251823] [2024-11-07 04:43:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:43:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:43:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat