./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.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-250_file-59.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', '13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c'] 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-250_file-59.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 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:07:16,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:07:16,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:07:16,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:07:16,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:07:16,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:07:16,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:07:16,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:07:16,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:07:16,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:07:16,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:07:16,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:07:16,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:07:16,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:07:16,240 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:07:16,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:07:16,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:07:16,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:07:16,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:07:16,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:07:16,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:07:16,242 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 -> 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c [2024-11-07 05:07:16,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:07:16,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:07:16,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:07:16,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:07:16,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:07:16,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2024-11-07 05:07:17,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:07:18,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:07:18,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2024-11-07 05:07:18,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a05923a85/eb07134d7d8d49eca703bfc707253837/FLAGb94544eeb [2024-11-07 05:07:18,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a05923a85/eb07134d7d8d49eca703bfc707253837 [2024-11-07 05:07:18,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:07:18,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:07:18,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:07:18,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:07:18,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:07:18,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:07:18" (1/1) ... [2024-11-07 05:07:18,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1e9aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:18, skipping insertion in model container [2024-11-07 05:07:18,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:07:18" (1/1) ... [2024-11-07 05:07:18,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:07:18,783 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-250_file-59.i[916,929] [2024-11-07 05:07:18,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:07:18,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:07:18,920 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-250_file-59.i[916,929] [2024-11-07 05:07:19,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:07:19,029 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:07:19,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19 WrapperNode [2024-11-07 05:07:19,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:07:19,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:07:19,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:07:19,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:07:19,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,144 INFO L138 Inliner]: procedures = 26, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-07 05:07:19,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:07:19,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:07:19,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:07:19,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:07:19,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,206 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 05:07:19,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:07:19,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:07:19,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:07:19,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:07:19,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (1/1) ... [2024-11-07 05:07:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:07:19,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:07:19,301 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 05:07:19,303 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 05:07:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:07:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:07:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:07:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:07:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:07:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:07:19,451 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:07:19,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:07:20,472 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-07 05:07:20,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:07:20,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:07:20,497 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:07:20,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:07:20 BoogieIcfgContainer [2024-11-07 05:07:20,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:07:20,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:07:20,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:07:20,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:07:20,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:07:18" (1/3) ... [2024-11-07 05:07:20,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2805ff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:07:20, skipping insertion in model container [2024-11-07 05:07:20,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:07:19" (2/3) ... [2024-11-07 05:07:20,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2805ff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:07:20, skipping insertion in model container [2024-11-07 05:07:20,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:07:20" (3/3) ... [2024-11-07 05:07:20,511 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2024-11-07 05:07:20,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:07:20,527 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:07:20,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:07:20,616 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;@7aa242ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:07:20,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:07:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 133 states have (on average 1.556390977443609) internal successors, (207), 134 states have internal predecessors, (207), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 05:07:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:07:20,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:20,645 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:20,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:20,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:20,652 INFO L85 PathProgramCache]: Analyzing trace with hash 712034386, now seen corresponding path program 1 times [2024-11-07 05:07:20,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:20,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122836266] [2024-11-07 05:07:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:20,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:21,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:21,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122836266] [2024-11-07 05:07:21,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122836266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:21,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:21,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:07:21,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934989358] [2024-11-07 05:07:21,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:21,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:07:21,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:21,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:07:21,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:07:21,731 INFO L87 Difference]: Start difference. First operand has 195 states, 133 states have (on average 1.556390977443609) internal successors, (207), 134 states have internal predecessors, (207), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:21,799 INFO L93 Difference]: Finished difference Result 383 states and 703 transitions. [2024-11-07 05:07:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:07:21,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59) Word has length 381 [2024-11-07 05:07:21,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:21,811 INFO L225 Difference]: With dead ends: 383 [2024-11-07 05:07:21,811 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 05:07:21,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 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 05:07:21,824 INFO L432 NwaCegarLoop]: 317 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, 317 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 05:07:21,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:07:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 05:07:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-07 05:07:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 130 states have (on average 1.5307692307692307) internal successors, (199), 130 states have internal predecessors, (199), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 05:07:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 317 transitions. [2024-11-07 05:07:21,906 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 317 transitions. Word has length 381 [2024-11-07 05:07:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:21,908 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 317 transitions. [2024-11-07 05:07:21,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 317 transitions. [2024-11-07 05:07:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:07:21,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:21,921 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:21,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:07:21,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:21,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash 192361628, now seen corresponding path program 1 times [2024-11-07 05:07:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317267438] [2024-11-07 05:07:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:22,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:22,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317267438] [2024-11-07 05:07:22,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317267438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:22,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:22,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:07:22,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450922349] [2024-11-07 05:07:22,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:22,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:07:22,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:22,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:07:22,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:07:22,719 INFO L87 Difference]: Start difference. First operand 191 states and 317 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:22,845 INFO L93 Difference]: Finished difference Result 504 states and 842 transitions. [2024-11-07 05:07:22,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:07:22,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 381 [2024-11-07 05:07:22,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:22,854 INFO L225 Difference]: With dead ends: 504 [2024-11-07 05:07:22,854 INFO L226 Difference]: Without dead ends: 316 [2024-11-07 05:07:22,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 05:07:22,856 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 181 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:22,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 599 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 05:07:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-07 05:07:22,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 313. [2024-11-07 05:07:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 223 states have (on average 1.5515695067264574) internal successors, (346), 224 states have internal predecessors, (346), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-07 05:07:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 520 transitions. [2024-11-07 05:07:22,903 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 520 transitions. Word has length 381 [2024-11-07 05:07:22,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:22,907 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 520 transitions. [2024-11-07 05:07:22,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 520 transitions. [2024-11-07 05:07:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:07:22,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:22,913 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:22,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:07:22,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:22,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1630642580, now seen corresponding path program 1 times [2024-11-07 05:07:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545121803] [2024-11-07 05:07:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:23,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:23,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545121803] [2024-11-07 05:07:23,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545121803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:23,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:23,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:07:23,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10764084] [2024-11-07 05:07:23,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:23,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:07:23,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:23,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:07:23,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:07:23,885 INFO L87 Difference]: Start difference. First operand 313 states and 520 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:24,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:24,254 INFO L93 Difference]: Finished difference Result 891 states and 1484 transitions. [2024-11-07 05:07:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:07:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 381 [2024-11-07 05:07:24,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:24,262 INFO L225 Difference]: With dead ends: 891 [2024-11-07 05:07:24,262 INFO L226 Difference]: Without dead ends: 581 [2024-11-07 05:07:24,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:24,264 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 298 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:24,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 935 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:07:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-07 05:07:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 545. [2024-11-07 05:07:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 394 states have (on average 1.5685279187817258) internal successors, (618), 395 states have internal predecessors, (618), 146 states have call successors, (146), 4 states have call predecessors, (146), 4 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-07 05:07:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 910 transitions. [2024-11-07 05:07:24,366 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 910 transitions. Word has length 381 [2024-11-07 05:07:24,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:24,367 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 910 transitions. [2024-11-07 05:07:24,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 910 transitions. [2024-11-07 05:07:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:07:24,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:24,372 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:24,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:07:24,373 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:24,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:24,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1052827763, now seen corresponding path program 1 times [2024-11-07 05:07:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:24,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124869559] [2024-11-07 05:07:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:24,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:25,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124869559] [2024-11-07 05:07:25,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124869559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:25,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:25,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:07:25,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308484762] [2024-11-07 05:07:25,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:25,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:07:25,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:25,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:07:25,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:25,075 INFO L87 Difference]: Start difference. First operand 545 states and 910 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:25,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:25,437 INFO L93 Difference]: Finished difference Result 1509 states and 2545 transitions. [2024-11-07 05:07:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:07:25,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 382 [2024-11-07 05:07:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:25,450 INFO L225 Difference]: With dead ends: 1509 [2024-11-07 05:07:25,451 INFO L226 Difference]: Without dead ends: 1191 [2024-11-07 05:07:25,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:25,456 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 444 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:25,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 956 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:07:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-07 05:07:25,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1073. [2024-11-07 05:07:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 891 states have (on average 1.6711560044893379) internal successors, (1489), 894 states have internal predecessors, (1489), 174 states have call successors, (174), 7 states have call predecessors, (174), 7 states have return successors, (174), 171 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-07 05:07:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1837 transitions. [2024-11-07 05:07:25,599 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1837 transitions. Word has length 382 [2024-11-07 05:07:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:25,600 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1837 transitions. [2024-11-07 05:07:25,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1837 transitions. [2024-11-07 05:07:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:07:25,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:25,608 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:25,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:07:25,608 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:25,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:25,609 INFO L85 PathProgramCache]: Analyzing trace with hash 31759409, now seen corresponding path program 1 times [2024-11-07 05:07:25,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:25,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663653879] [2024-11-07 05:07:25,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:25,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:26,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:26,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663653879] [2024-11-07 05:07:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663653879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:07:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623015953] [2024-11-07 05:07:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:26,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:07:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:07:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:26,572 INFO L87 Difference]: Start difference. First operand 1073 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:27,231 INFO L93 Difference]: Finished difference Result 2574 states and 4372 transitions. [2024-11-07 05:07:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:07:27,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 382 [2024-11-07 05:07:27,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:27,244 INFO L225 Difference]: With dead ends: 2574 [2024-11-07 05:07:27,245 INFO L226 Difference]: Without dead ends: 1947 [2024-11-07 05:07:27,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:27,249 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 549 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:27,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 772 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:07:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-07 05:07:27,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1369. [2024-11-07 05:07:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1187 states have (on average 1.709351305812974) internal successors, (2029), 1190 states have internal predecessors, (2029), 174 states have call successors, (174), 7 states have call predecessors, (174), 7 states have return successors, (174), 171 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-07 05:07:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 2377 transitions. [2024-11-07 05:07:27,403 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 2377 transitions. Word has length 382 [2024-11-07 05:07:27,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:27,404 INFO L471 AbstractCegarLoop]: Abstraction has 1369 states and 2377 transitions. [2024-11-07 05:07:27,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2377 transitions. [2024-11-07 05:07:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:07:27,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:27,409 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:27,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:07:27,409 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:27,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:27,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1886760487, now seen corresponding path program 1 times [2024-11-07 05:07:27,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:27,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400520385] [2024-11-07 05:07:27,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:27,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:28,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:28,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400520385] [2024-11-07 05:07:28,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400520385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:28,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:28,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:07:28,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764712690] [2024-11-07 05:07:28,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:28,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:07:28,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:28,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:07:28,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:07:28,198 INFO L87 Difference]: Start difference. First operand 1369 states and 2377 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:28,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:28,571 INFO L93 Difference]: Finished difference Result 2929 states and 5054 transitions. [2024-11-07 05:07:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:07:28,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 382 [2024-11-07 05:07:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:28,587 INFO L225 Difference]: With dead ends: 2929 [2024-11-07 05:07:28,588 INFO L226 Difference]: Without dead ends: 2166 [2024-11-07 05:07:28,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:07:28,594 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 313 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:28,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 933 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:07:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-11-07 05:07:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2130. [2024-11-07 05:07:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1829 states have (on average 1.6981957353745216) internal successors, (3106), 1835 states have internal predecessors, (3106), 289 states have call successors, (289), 11 states have call predecessors, (289), 11 states have return successors, (289), 283 states have call predecessors, (289), 289 states have call successors, (289) [2024-11-07 05:07:28,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 3684 transitions. [2024-11-07 05:07:28,774 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 3684 transitions. Word has length 382 [2024-11-07 05:07:28,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:28,775 INFO L471 AbstractCegarLoop]: Abstraction has 2130 states and 3684 transitions. [2024-11-07 05:07:28,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3684 transitions. [2024-11-07 05:07:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-07 05:07:28,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:28,780 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:28,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:07:28,780 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:28,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2021190799, now seen corresponding path program 1 times [2024-11-07 05:07:28,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:28,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972804619] [2024-11-07 05:07:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:29,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:29,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972804619] [2024-11-07 05:07:29,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972804619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:29,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:29,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:07:29,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949554216] [2024-11-07 05:07:29,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:29,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:07:29,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:29,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:07:29,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:07:29,451 INFO L87 Difference]: Start difference. First operand 2130 states and 3684 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:30,225 INFO L93 Difference]: Finished difference Result 6169 states and 10632 transitions. [2024-11-07 05:07:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:07:30,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 383 [2024-11-07 05:07:30,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:30,253 INFO L225 Difference]: With dead ends: 6169 [2024-11-07 05:07:30,253 INFO L226 Difference]: Without dead ends: 4265 [2024-11-07 05:07:30,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:07:30,262 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 473 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:30,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 696 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:07:30,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4265 states. [2024-11-07 05:07:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4265 to 3471. [2024-11-07 05:07:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3471 states, 3041 states have (on average 1.6987832949687602) internal successors, (5166), 3055 states have internal predecessors, (5166), 409 states have call successors, (409), 20 states have call predecessors, (409), 20 states have return successors, (409), 395 states have call predecessors, (409), 409 states have call successors, (409) [2024-11-07 05:07:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3471 states and 5984 transitions. [2024-11-07 05:07:30,562 INFO L78 Accepts]: Start accepts. Automaton has 3471 states and 5984 transitions. Word has length 383 [2024-11-07 05:07:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:30,563 INFO L471 AbstractCegarLoop]: Abstraction has 3471 states and 5984 transitions. [2024-11-07 05:07:30,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 5984 transitions. [2024-11-07 05:07:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-07 05:07:30,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:30,567 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:30,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 05:07:30,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:30,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:30,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1748531357, now seen corresponding path program 1 times [2024-11-07 05:07:30,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:30,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607881954] [2024-11-07 05:07:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607881954] [2024-11-07 05:07:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607881954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:31,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:31,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:07:31,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104380859] [2024-11-07 05:07:31,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:31,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:07:31,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:07:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:07:31,822 INFO L87 Difference]: Start difference. First operand 3471 states and 5984 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:33,513 INFO L93 Difference]: Finished difference Result 13873 states and 23865 transitions. [2024-11-07 05:07:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 05:07:33,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 384 [2024-11-07 05:07:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:33,582 INFO L225 Difference]: With dead ends: 13873 [2024-11-07 05:07:33,582 INFO L226 Difference]: Without dead ends: 11229 [2024-11-07 05:07:33,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:07:33,595 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 759 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:33,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 1084 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 05:07:33,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11229 states. [2024-11-07 05:07:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11229 to 9285. [2024-11-07 05:07:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9285 states, 8184 states have (on average 1.7036901270772238) internal successors, (13943), 8228 states have internal predecessors, (13943), 1039 states have call successors, (1039), 61 states have call predecessors, (1039), 61 states have return successors, (1039), 995 states have call predecessors, (1039), 1039 states have call successors, (1039) [2024-11-07 05:07:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9285 states to 9285 states and 16021 transitions. [2024-11-07 05:07:34,373 INFO L78 Accepts]: Start accepts. Automaton has 9285 states and 16021 transitions. Word has length 384 [2024-11-07 05:07:34,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:34,374 INFO L471 AbstractCegarLoop]: Abstraction has 9285 states and 16021 transitions. [2024-11-07 05:07:34,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2024-11-07 05:07:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9285 states and 16021 transitions. [2024-11-07 05:07:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-07 05:07:34,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:34,392 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:34,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 05:07:34,392 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:34,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:34,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1771163611, now seen corresponding path program 1 times [2024-11-07 05:07:34,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:34,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396825799] [2024-11-07 05:07:34,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:34,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:35,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:35,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396825799] [2024-11-07 05:07:35,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396825799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:35,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:35,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:07:35,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100356202] [2024-11-07 05:07:35,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:35,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:07:35,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:07:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:07:35,424 INFO L87 Difference]: Start difference. First operand 9285 states and 16021 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:37,101 INFO L93 Difference]: Finished difference Result 29475 states and 50849 transitions. [2024-11-07 05:07:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:07:37,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 384 [2024-11-07 05:07:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:37,203 INFO L225 Difference]: With dead ends: 29475 [2024-11-07 05:07:37,203 INFO L226 Difference]: Without dead ends: 21265 [2024-11-07 05:07:37,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 05:07:37,231 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 611 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:37,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1219 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:07:37,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21265 states. [2024-11-07 05:07:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21265 to 18403. [2024-11-07 05:07:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18403 states, 16266 states have (on average 1.6981433665314152) internal successors, (27622), 16354 states have internal predecessors, (27622), 2019 states have call successors, (2019), 117 states have call predecessors, (2019), 117 states have return successors, (2019), 1931 states have call predecessors, (2019), 2019 states have call successors, (2019) [2024-11-07 05:07:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18403 states to 18403 states and 31660 transitions. [2024-11-07 05:07:38,571 INFO L78 Accepts]: Start accepts. Automaton has 18403 states and 31660 transitions. Word has length 384 [2024-11-07 05:07:38,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:38,572 INFO L471 AbstractCegarLoop]: Abstraction has 18403 states and 31660 transitions. [2024-11-07 05:07:38,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 18403 states and 31660 transitions. [2024-11-07 05:07:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-07 05:07:38,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:38,589 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:38,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 05:07:38,590 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:38,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:38,590 INFO L85 PathProgramCache]: Analyzing trace with hash 85143741, now seen corresponding path program 1 times [2024-11-07 05:07:38,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:38,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27033828] [2024-11-07 05:07:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:39,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:39,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27033828] [2024-11-07 05:07:39,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27033828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:39,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:39,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:07:39,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256472357] [2024-11-07 05:07:39,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:39,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:07:39,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:39,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:07:39,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:07:39,430 INFO L87 Difference]: Start difference. First operand 18403 states and 31660 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:07:41,606 INFO L93 Difference]: Finished difference Result 38720 states and 65550 transitions. [2024-11-07 05:07:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 05:07:41,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 384 [2024-11-07 05:07:41,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:07:41,707 INFO L225 Difference]: With dead ends: 38720 [2024-11-07 05:07:41,707 INFO L226 Difference]: Without dead ends: 23640 [2024-11-07 05:07:41,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 05:07:41,755 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 699 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 05:07:41,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 1060 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 05:07:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23640 states. [2024-11-07 05:07:42,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23640 to 18790. [2024-11-07 05:07:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18790 states, 16149 states have (on average 1.6601027927425847) internal successors, (26809), 16261 states have internal predecessors, (26809), 2451 states have call successors, (2451), 189 states have call predecessors, (2451), 189 states have return successors, (2451), 2339 states have call predecessors, (2451), 2451 states have call successors, (2451) [2024-11-07 05:07:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18790 states to 18790 states and 31711 transitions. [2024-11-07 05:07:43,110 INFO L78 Accepts]: Start accepts. Automaton has 18790 states and 31711 transitions. Word has length 384 [2024-11-07 05:07:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:07:43,113 INFO L471 AbstractCegarLoop]: Abstraction has 18790 states and 31711 transitions. [2024-11-07 05:07:43,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-11-07 05:07:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 18790 states and 31711 transitions. [2024-11-07 05:07:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-07 05:07:43,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:07:43,126 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:43,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 05:07:43,127 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:07:43,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:07:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1763943063, now seen corresponding path program 1 times [2024-11-07 05:07:43,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:07:43,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438536050] [2024-11-07 05:07:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:07:43,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:07:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:07:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:07:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:07:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:07:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:07:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:07:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:07:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:07:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:07:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:07:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:07:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:07:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:07:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:07:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:07:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:07:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:07:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:07:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:07:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:07:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:07:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:07:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:07:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:07:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:07:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:07:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:07:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:07:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:07:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:07:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:07:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:07:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:07:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:07:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:07:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:07:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:07:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:07:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:07:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:07:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:07:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:07:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:07:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:07:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:07:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:07:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:07:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:07:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:07:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:07:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:07:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:07:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:07:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:07:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:07:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:07:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:07:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:07:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:07:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:07:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2024-11-07 05:07:53,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:07:53,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438536050] [2024-11-07 05:07:53,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438536050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:07:53,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:07:53,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 05:07:53,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378899999] [2024-11-07 05:07:53,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:07:53,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 05:07:53,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:07:53,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 05:07:53,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 05:07:53,446 INFO L87 Difference]: Start difference. First operand 18790 states and 31711 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-07 05:08:05,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:08:05,062 INFO L93 Difference]: Finished difference Result 73838 states and 124294 transitions. [2024-11-07 05:08:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 05:08:05,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 385 [2024-11-07 05:08:05,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:08:05,281 INFO L225 Difference]: With dead ends: 73838 [2024-11-07 05:08:05,281 INFO L226 Difference]: Without dead ends: 58834 [2024-11-07 05:08:05,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-07 05:08:05,332 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 3291 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-07 05:08:05,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 1908 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-07 05:08:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58834 states. [2024-11-07 05:08:08,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58834 to 31062. [2024-11-07 05:08:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31062 states, 26449 states have (on average 1.6478883889750084) internal successors, (43585), 26653 states have internal predecessors, (43585), 4271 states have call successors, (4271), 341 states have call predecessors, (4271), 341 states have return successors, (4271), 4067 states have call predecessors, (4271), 4271 states have call successors, (4271) [2024-11-07 05:08:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31062 states to 31062 states and 52127 transitions. [2024-11-07 05:08:08,845 INFO L78 Accepts]: Start accepts. Automaton has 31062 states and 52127 transitions. Word has length 385 [2024-11-07 05:08:08,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:08:08,847 INFO L471 AbstractCegarLoop]: Abstraction has 31062 states and 52127 transitions. [2024-11-07 05:08:08,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 3 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-07 05:08:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 31062 states and 52127 transitions. [2024-11-07 05:08:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-07 05:08:08,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:08:08,862 INFO L215 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:08,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 05:08:08,862 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:08:08,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:08:08,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1062343189, now seen corresponding path program 1 times [2024-11-07 05:08:08,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:08:08,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548088063] [2024-11-07 05:08:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:08:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:08:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:08:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:08:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:08:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:08:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:08:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:08:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:08:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:08:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:08:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 05:08:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 05:08:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 05:08:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 05:08:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 05:08:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 05:08:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:08:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:08:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:08:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:08:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:08:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:08:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:08:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:08:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:08:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:08:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:08:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 05:08:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:08:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 05:08:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:08:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 05:08:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:08:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 05:08:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 05:08:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:08:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 05:08:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:08:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 05:08:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:08:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:08:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:08:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:08:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:08:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:08:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:08:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:08:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:08:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 05:08:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 05:08:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 05:08:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:08:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:08:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 05:08:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:08:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:08:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 05:08:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 05:08:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 05:08:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 05:08:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2024-11-07 05:08:09,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:08:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548088063] [2024-11-07 05:08:09,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548088063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 05:08:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991628920] [2024-11-07 05:08:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:08:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:08:09,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:08:09,916 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 05:08:09,921 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 05:08:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:08:10,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 05:08:10,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:08:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 3499 proven. 21 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2024-11-07 05:08:11,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:08:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2024-11-07 05:08:11,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991628920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 05:08:11,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 05:08:11,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 16 [2024-11-07 05:08:11,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057884571] [2024-11-07 05:08:11,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 05:08:11,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 05:08:11,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:08:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 05:08:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-07 05:08:11,807 INFO L87 Difference]: Start difference. First operand 31062 states and 52127 transitions. Second operand has 16 states, 16 states have (on average 16.5) internal successors, (264), 16 states have internal predecessors, (264), 8 states have call successors, (177), 4 states have call predecessors, (177), 7 states have return successors, (177), 8 states have call predecessors, (177), 8 states have call successors, (177)