./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.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-50_file-34.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', '56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf'] 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-50_file-34.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 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:34:12,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:34:12,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:34:12,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:34:12,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:34:12,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:34:12,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:34:12,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:34:12,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:34:12,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:34:12,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:34:12,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:34:12,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:34:12,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:34:12,398 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:34:12,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:34:12,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:34:12,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:34:12,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:34:12,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:34:12,400 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 -> 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf [2024-11-07 05:34:12,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:34:12,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:34:12,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:34:12,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:34:12,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:34:12,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-07 05:34:13,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:34:14,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:34:14,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-07 05:34:14,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a5e014df/44e8ec1f0b71467b827a5d2a5ba33877/FLAG320613c8f [2024-11-07 05:34:14,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a5e014df/44e8ec1f0b71467b827a5d2a5ba33877 [2024-11-07 05:34:14,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:34:14,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:34:14,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:34:14,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:34:14,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:34:14,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bbd06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14, skipping insertion in model container [2024-11-07 05:34:14,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:34:14,331 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-50_file-34.i[915,928] [2024-11-07 05:34:14,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:34:14,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:34:14,420 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-50_file-34.i[915,928] [2024-11-07 05:34:14,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:34:14,459 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:34:14,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14 WrapperNode [2024-11-07 05:34:14,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:34:14,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:34:14,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:34:14,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:34:14,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,535 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-07 05:34:14,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:34:14,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:34:14,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:34:14,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:34:14,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,588 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 05:34:14,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:34:14,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:34:14,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:34:14,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:34:14,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (1/1) ... [2024-11-07 05:34:14,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:34:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:34:14,677 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 05:34:14,683 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 05:34:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:34:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:34:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:34:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:34:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:34:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:34:14,828 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:34:14,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:34:15,368 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-07 05:34:15,368 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:34:15,375 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:34:15,375 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:34:15,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:34:15 BoogieIcfgContainer [2024-11-07 05:34:15,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:34:15,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:34:15,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:34:15,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:34:15,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:34:14" (1/3) ... [2024-11-07 05:34:15,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf4009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:34:15, skipping insertion in model container [2024-11-07 05:34:15,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:14" (2/3) ... [2024-11-07 05:34:15,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf4009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:34:15, skipping insertion in model container [2024-11-07 05:34:15,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:34:15" (3/3) ... [2024-11-07 05:34:15,382 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-07 05:34:15,391 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:34:15,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:34:15,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:34:15,457 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;@5c466686, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:34:15,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:34:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 05:34:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:34:15,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:15,474 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:15,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:15,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1917208317, now seen corresponding path program 1 times [2024-11-07 05:34:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523989579] [2024-11-07 05:34:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:15,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:15,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523989579] [2024-11-07 05:34:15,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523989579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:15,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:15,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:34:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65287573] [2024-11-07 05:34:15,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:15,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:34:15,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:15,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:34:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:34:15,816 INFO L87 Difference]: Start difference. First operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:34:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:15,837 INFO L93 Difference]: Finished difference Result 217 states and 383 transitions. [2024-11-07 05:34:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:34:15,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 212 [2024-11-07 05:34:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:15,843 INFO L225 Difference]: With dead ends: 217 [2024-11-07 05:34:15,843 INFO L226 Difference]: Without dead ends: 108 [2024-11-07 05:34:15,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 05:34:15,847 INFO L432 NwaCegarLoop]: 171 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, 171 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 05:34:15,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:34:15,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-07 05:34:15,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-07 05:34:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 05:34:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 171 transitions. [2024-11-07 05:34:15,877 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 171 transitions. Word has length 212 [2024-11-07 05:34:15,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:15,877 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 171 transitions. [2024-11-07 05:34:15,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:34:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2024-11-07 05:34:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:34:15,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:15,880 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:15,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:34:15,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:15,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:15,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1111651081, now seen corresponding path program 1 times [2024-11-07 05:34:15,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:15,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134466150] [2024-11-07 05:34:15,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:15,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:16,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:16,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:16,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134466150] [2024-11-07 05:34:16,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134466150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:16,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:16,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:34:16,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713014684] [2024-11-07 05:34:16,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:16,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:34:16,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:16,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:34:16,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:34:16,673 INFO L87 Difference]: Start difference. First operand 108 states and 171 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:16,922 INFO L93 Difference]: Finished difference Result 348 states and 552 transitions. [2024-11-07 05:34:16,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:34:16,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-07 05:34:16,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:16,930 INFO L225 Difference]: With dead ends: 348 [2024-11-07 05:34:16,930 INFO L226 Difference]: Without dead ends: 243 [2024-11-07 05:34:16,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 05:34:16,934 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 171 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:16,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 531 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:34:16,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-07 05:34:16,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 213. [2024-11-07 05:34:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 144 states have (on average 1.4375) internal successors, (207), 144 states have internal predecessors, (207), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 05:34:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 339 transitions. [2024-11-07 05:34:16,981 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 339 transitions. Word has length 212 [2024-11-07 05:34:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:16,981 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 339 transitions. [2024-11-07 05:34:16,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 339 transitions. [2024-11-07 05:34:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-07 05:34:16,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:16,985 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:16,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:34:16,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:16,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:16,985 INFO L85 PathProgramCache]: Analyzing trace with hash -961702031, now seen corresponding path program 1 times [2024-11-07 05:34:16,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442945137] [2024-11-07 05:34:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:16,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:17,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442945137] [2024-11-07 05:34:17,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442945137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:17,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:17,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:34:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45812083] [2024-11-07 05:34:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:17,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:34:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:17,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:34:17,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:34:17,375 INFO L87 Difference]: Start difference. First operand 213 states and 339 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:17,669 INFO L93 Difference]: Finished difference Result 628 states and 1000 transitions. [2024-11-07 05:34:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:34:17,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-07 05:34:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:17,674 INFO L225 Difference]: With dead ends: 628 [2024-11-07 05:34:17,675 INFO L226 Difference]: Without dead ends: 418 [2024-11-07 05:34:17,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:34:17,676 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 197 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:17,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 625 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:34:17,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-07 05:34:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 217. [2024-11-07 05:34:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 148 states have (on average 1.4256756756756757) internal successors, (211), 148 states have internal predecessors, (211), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 05:34:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 343 transitions. [2024-11-07 05:34:17,741 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 343 transitions. Word has length 213 [2024-11-07 05:34:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:17,743 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 343 transitions. [2024-11-07 05:34:17,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2024-11-07 05:34:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:17,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:17,747 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:17,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:34:17,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:17,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash 341696479, now seen corresponding path program 1 times [2024-11-07 05:34:17,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:17,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179999875] [2024-11-07 05:34:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:17,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:22,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:22,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179999875] [2024-11-07 05:34:22,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179999875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:22,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:22,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 05:34:22,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783182557] [2024-11-07 05:34:22,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:22,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 05:34:22,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:22,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 05:34:22,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-07 05:34:22,787 INFO L87 Difference]: Start difference. First operand 217 states and 343 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:26,135 INFO L93 Difference]: Finished difference Result 795 states and 1226 transitions. [2024-11-07 05:34:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 05:34:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:26,142 INFO L225 Difference]: With dead ends: 795 [2024-11-07 05:34:26,142 INFO L226 Difference]: Without dead ends: 581 [2024-11-07 05:34:26,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2024-11-07 05:34:26,145 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 776 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:26,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 961 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 05:34:26,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-07 05:34:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 445. [2024-11-07 05:34:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 301 states have (on average 1.4053156146179402) internal successors, (423), 302 states have internal predecessors, (423), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 136 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 05:34:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 697 transitions. [2024-11-07 05:34:26,232 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 697 transitions. Word has length 214 [2024-11-07 05:34:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:26,233 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 697 transitions. [2024-11-07 05:34:26,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 697 transitions. [2024-11-07 05:34:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:26,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:26,235 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:26,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:34:26,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:26,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2116703841, now seen corresponding path program 1 times [2024-11-07 05:34:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:26,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473351082] [2024-11-07 05:34:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:28,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:28,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473351082] [2024-11-07 05:34:28,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473351082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:28,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:28,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 05:34:28,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273609002] [2024-11-07 05:34:28,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:28,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 05:34:28,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:28,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 05:34:28,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 05:34:28,334 INFO L87 Difference]: Start difference. First operand 445 states and 697 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:29,657 INFO L93 Difference]: Finished difference Result 1272 states and 1960 transitions. [2024-11-07 05:34:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 05:34:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:29,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:29,672 INFO L225 Difference]: With dead ends: 1272 [2024-11-07 05:34:29,672 INFO L226 Difference]: Without dead ends: 838 [2024-11-07 05:34:29,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:34:29,678 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 405 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:29,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 736 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 05:34:29,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-07 05:34:29,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 554. [2024-11-07 05:34:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 381 states have (on average 1.4094488188976377) internal successors, (537), 381 states have internal predecessors, (537), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 867 transitions. [2024-11-07 05:34:29,770 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 867 transitions. Word has length 214 [2024-11-07 05:34:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:29,771 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 867 transitions. [2024-11-07 05:34:29,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 867 transitions. [2024-11-07 05:34:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:29,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:29,775 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:29,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:34:29,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:29,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:29,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1021754849, now seen corresponding path program 1 times [2024-11-07 05:34:29,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:29,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268932068] [2024-11-07 05:34:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:29,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:31,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268932068] [2024-11-07 05:34:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268932068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:32,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:32,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 05:34:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681509369] [2024-11-07 05:34:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:32,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 05:34:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 05:34:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 05:34:32,049 INFO L87 Difference]: Start difference. First operand 554 states and 867 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:33,664 INFO L93 Difference]: Finished difference Result 1324 states and 2025 transitions. [2024-11-07 05:34:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 05:34:33,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:33,675 INFO L225 Difference]: With dead ends: 1324 [2024-11-07 05:34:33,675 INFO L226 Difference]: Without dead ends: 847 [2024-11-07 05:34:33,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:34:33,678 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 347 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:33,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 740 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 05:34:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-07 05:34:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 707. [2024-11-07 05:34:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 534 states have (on average 1.4250936329588015) internal successors, (761), 534 states have internal predecessors, (761), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1091 transitions. [2024-11-07 05:34:33,759 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1091 transitions. Word has length 214 [2024-11-07 05:34:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:33,760 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1091 transitions. [2024-11-07 05:34:33,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1091 transitions. [2024-11-07 05:34:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:33,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:33,763 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:33,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:34:33,764 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:33,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:33,764 INFO L85 PathProgramCache]: Analyzing trace with hash -928436592, now seen corresponding path program 1 times [2024-11-07 05:34:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:33,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012742736] [2024-11-07 05:34:33,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:33,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:34,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:34,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012742736] [2024-11-07 05:34:34,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012742736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:34,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:34,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:34:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610213060] [2024-11-07 05:34:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:34,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:34:34,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:34:34,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:34:34,963 INFO L87 Difference]: Start difference. First operand 707 states and 1091 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:35,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:35,385 INFO L93 Difference]: Finished difference Result 1143 states and 1743 transitions. [2024-11-07 05:34:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 05:34:35,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:35,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:35,390 INFO L225 Difference]: With dead ends: 1143 [2024-11-07 05:34:35,390 INFO L226 Difference]: Without dead ends: 883 [2024-11-07 05:34:35,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 05:34:35,392 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 214 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:35,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 615 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:34:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-07 05:34:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 713. [2024-11-07 05:34:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 540 states have (on average 1.4166666666666667) internal successors, (765), 540 states have internal predecessors, (765), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1095 transitions. [2024-11-07 05:34:35,456 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1095 transitions. Word has length 214 [2024-11-07 05:34:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:35,457 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1095 transitions. [2024-11-07 05:34:35,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1095 transitions. [2024-11-07 05:34:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:35,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:35,459 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:35,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 05:34:35,459 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:35,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:35,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1105586591, now seen corresponding path program 1 times [2024-11-07 05:34:35,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:35,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242490058] [2024-11-07 05:34:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242490058] [2024-11-07 05:34:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242490058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:35,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:35,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 05:34:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29332469] [2024-11-07 05:34:35,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:35,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 05:34:35,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:35,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 05:34:35,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:34:35,805 INFO L87 Difference]: Start difference. First operand 713 states and 1095 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:36,458 INFO L93 Difference]: Finished difference Result 1451 states and 2207 transitions. [2024-11-07 05:34:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 05:34:36,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:36,464 INFO L225 Difference]: With dead ends: 1451 [2024-11-07 05:34:36,465 INFO L226 Difference]: Without dead ends: 985 [2024-11-07 05:34:36,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 05:34:36,467 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 310 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:36,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 689 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:34:36,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-11-07 05:34:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 711. [2024-11-07 05:34:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 538 states have (on average 1.4144981412639406) internal successors, (761), 538 states have internal predecessors, (761), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1091 transitions. [2024-11-07 05:34:36,528 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1091 transitions. Word has length 214 [2024-11-07 05:34:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:36,529 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1091 transitions. [2024-11-07 05:34:36,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1091 transitions. [2024-11-07 05:34:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:34:36,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:36,533 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:36,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 05:34:36,533 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:36,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash 10637599, now seen corresponding path program 1 times [2024-11-07 05:34:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:36,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364692461] [2024-11-07 05:34:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:36,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:36,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364692461] [2024-11-07 05:34:36,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364692461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:36,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:36,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:34:36,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216827543] [2024-11-07 05:34:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:36,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:34:36,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:36,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:34:36,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:34:36,940 INFO L87 Difference]: Start difference. First operand 711 states and 1091 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:37,163 INFO L93 Difference]: Finished difference Result 1295 states and 1977 transitions. [2024-11-07 05:34:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:34:37,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:34:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:37,167 INFO L225 Difference]: With dead ends: 1295 [2024-11-07 05:34:37,167 INFO L226 Difference]: Without dead ends: 725 [2024-11-07 05:34:37,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 05:34:37,170 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 123 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:37,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 440 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:34:37,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-07 05:34:37,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 671. [2024-11-07 05:34:37,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 498 states have (on average 1.391566265060241) internal successors, (693), 498 states have internal predecessors, (693), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1023 transitions. [2024-11-07 05:34:37,244 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1023 transitions. Word has length 214 [2024-11-07 05:34:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:37,245 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1023 transitions. [2024-11-07 05:34:37,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1023 transitions. [2024-11-07 05:34:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:34:37,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:37,247 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:37,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 05:34:37,247 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:37,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1272110534, now seen corresponding path program 1 times [2024-11-07 05:34:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299523962] [2024-11-07 05:34:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:39,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:39,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299523962] [2024-11-07 05:34:39,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299523962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:39,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:39,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 05:34:39,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578150158] [2024-11-07 05:34:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:39,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 05:34:39,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 05:34:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 05:34:39,557 INFO L87 Difference]: Start difference. First operand 671 states and 1023 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:40,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:40,723 INFO L93 Difference]: Finished difference Result 1097 states and 1653 transitions. [2024-11-07 05:34:40,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 05:34:40,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-07 05:34:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:40,730 INFO L225 Difference]: With dead ends: 1097 [2024-11-07 05:34:40,730 INFO L226 Difference]: Without dead ends: 883 [2024-11-07 05:34:40,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-07 05:34:40,734 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 317 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:40,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 909 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 05:34:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-07 05:34:40,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 707. [2024-11-07 05:34:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 532 states have (on average 1.3740601503759398) internal successors, (731), 532 states have internal predecessors, (731), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1061 transitions. [2024-11-07 05:34:40,786 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1061 transitions. Word has length 215 [2024-11-07 05:34:40,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:40,787 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1061 transitions. [2024-11-07 05:34:40,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1061 transitions. [2024-11-07 05:34:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:34:40,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:40,788 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:40,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 05:34:40,788 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:40,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1117077052, now seen corresponding path program 1 times [2024-11-07 05:34:40,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:40,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504547042] [2024-11-07 05:34:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:40,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:43,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:44,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:44,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:44,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504547042] [2024-11-07 05:34:44,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504547042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:44,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:44,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 05:34:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457336165] [2024-11-07 05:34:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:44,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 05:34:44,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 05:34:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 05:34:44,021 INFO L87 Difference]: Start difference. First operand 707 states and 1061 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:47,014 INFO L93 Difference]: Finished difference Result 1502 states and 2243 transitions. [2024-11-07 05:34:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 05:34:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-07 05:34:47,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:47,021 INFO L225 Difference]: With dead ends: 1502 [2024-11-07 05:34:47,021 INFO L226 Difference]: Without dead ends: 978 [2024-11-07 05:34:47,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2024-11-07 05:34:47,023 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 424 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:47,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1282 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-07 05:34:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-07 05:34:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 774. [2024-11-07 05:34:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 599 states have (on average 1.3823038397328882) internal successors, (828), 599 states have internal predecessors, (828), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1158 transitions. [2024-11-07 05:34:47,084 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1158 transitions. Word has length 215 [2024-11-07 05:34:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:47,084 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1158 transitions. [2024-11-07 05:34:47,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1158 transitions. [2024-11-07 05:34:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:34:47,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:47,087 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:47,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 05:34:47,088 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:47,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:47,088 INFO L85 PathProgramCache]: Analyzing trace with hash 870409258, now seen corresponding path program 1 times [2024-11-07 05:34:47,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:47,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875084430] [2024-11-07 05:34:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:52,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:52,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875084430] [2024-11-07 05:34:52,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875084430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:52,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:52,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 05:34:52,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000111032] [2024-11-07 05:34:52,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:52,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 05:34:52,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:52,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 05:34:52,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 05:34:52,031 INFO L87 Difference]: Start difference. First operand 774 states and 1158 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:34:55,511 INFO L93 Difference]: Finished difference Result 1244 states and 1849 transitions. [2024-11-07 05:34:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 05:34:55,511 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-07 05:34:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:34:55,517 INFO L225 Difference]: With dead ends: 1244 [2024-11-07 05:34:55,518 INFO L226 Difference]: Without dead ends: 1014 [2024-11-07 05:34:55,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-07 05:34:55,520 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 387 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:34:55,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 954 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 05:34:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-07 05:34:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 766. [2024-11-07 05:34:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 591 states have (on average 1.3840947546531304) internal successors, (818), 591 states have internal predecessors, (818), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:34:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1148 transitions. [2024-11-07 05:34:55,595 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1148 transitions. Word has length 216 [2024-11-07 05:34:55,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:34:55,596 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1148 transitions. [2024-11-07 05:34:55,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:34:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1148 transitions. [2024-11-07 05:34:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:34:55,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:34:55,598 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:55,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 05:34:55,598 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:34:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:34:55,599 INFO L85 PathProgramCache]: Analyzing trace with hash -354425634, now seen corresponding path program 1 times [2024-11-07 05:34:55,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:34:55,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437595522] [2024-11-07 05:34:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:34:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:34:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:34:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:34:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:34:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:34:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:34:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:34:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:34:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:34:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:34:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:34:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:34:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:34:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:34:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:34:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:34:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:34:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:34:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:34:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:34:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:34:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:34:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:34:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:34:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:34:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:34:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:34:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:34:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:34:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:34:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:34:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:34:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:34:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:34:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:34:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:34:59,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:34:59,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437595522] [2024-11-07 05:34:59,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437595522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:34:59,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:34:59,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 05:34:59,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220179187] [2024-11-07 05:34:59,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:34:59,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 05:34:59,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:34:59,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 05:34:59,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-07 05:34:59,280 INFO L87 Difference]: Start difference. First operand 766 states and 1148 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:35:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:35:03,018 INFO L93 Difference]: Finished difference Result 1567 states and 2338 transitions. [2024-11-07 05:35:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 05:35:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-07 05:35:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:35:03,024 INFO L225 Difference]: With dead ends: 1567 [2024-11-07 05:35:03,024 INFO L226 Difference]: Without dead ends: 1051 [2024-11-07 05:35:03,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-07 05:35:03,026 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 600 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 05:35:03,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 643 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 05:35:03,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-07 05:35:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 772. [2024-11-07 05:35:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 597 states have (on average 1.3869346733668342) internal successors, (828), 597 states have internal predecessors, (828), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:35:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1158 transitions. [2024-11-07 05:35:03,099 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1158 transitions. Word has length 216 [2024-11-07 05:35:03,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:35:03,100 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1158 transitions. [2024-11-07 05:35:03,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:35:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1158 transitions. [2024-11-07 05:35:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:35:03,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:35:03,102 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:03,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 05:35:03,102 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:35:03,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:35:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1449374626, now seen corresponding path program 1 times [2024-11-07 05:35:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:35:03,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669774262] [2024-11-07 05:35:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:35:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:35:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:35:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:35:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:35:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:35:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:35:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:35:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:35:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:35:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:35:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:35:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:35:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:35:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:35:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:35:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:35:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:35:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:35:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:35:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:35:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:35:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:35:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:35:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:35:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:35:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:35:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:35:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:35:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:35:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:35:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:35:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:35:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:35:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:35:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:35:07,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:35:07,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669774262] [2024-11-07 05:35:07,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669774262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:35:07,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:35:07,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 05:35:07,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828271694] [2024-11-07 05:35:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:35:07,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 05:35:07,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:35:07,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 05:35:07,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:35:07,438 INFO L87 Difference]: Start difference. First operand 772 states and 1158 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:35:15,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:35:15,647 INFO L93 Difference]: Finished difference Result 1725 states and 2544 transitions. [2024-11-07 05:35:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 05:35:15,648 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 216 [2024-11-07 05:35:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:35:15,652 INFO L225 Difference]: With dead ends: 1725 [2024-11-07 05:35:15,652 INFO L226 Difference]: Without dead ends: 1132 [2024-11-07 05:35:15,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-07 05:35:15,657 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 644 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:35:15,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1182 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-07 05:35:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-07 05:35:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 868. [2024-11-07 05:35:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 693 states have (on average 1.3823953823953823) internal successors, (958), 693 states have internal predecessors, (958), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:35:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1288 transitions. [2024-11-07 05:35:15,716 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1288 transitions. Word has length 216 [2024-11-07 05:35:15,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:35:15,716 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1288 transitions. [2024-11-07 05:35:15,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:35:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1288 transitions. [2024-11-07 05:35:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:35:15,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:35:15,718 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:15,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 05:35:15,718 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:35:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:35:15,718 INFO L85 PathProgramCache]: Analyzing trace with hash 325632736, now seen corresponding path program 1 times [2024-11-07 05:35:15,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:35:15,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232785933] [2024-11-07 05:35:15,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:35:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:35:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:35:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:35:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:35:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:35:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:35:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:35:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:35:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:35:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:35:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:35:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:35:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:35:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:35:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:35:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:35:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:35:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:35:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:35:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:35:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:35:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:35:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:35:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:35:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:35:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:35:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:35:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:35:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:35:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:35:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:35:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:35:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:35:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:35:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:35:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:35:27,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:35:27,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232785933] [2024-11-07 05:35:27,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232785933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:35:27,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:35:27,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 05:35:27,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042476918] [2024-11-07 05:35:27,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:35:27,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 05:35:27,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:35:27,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 05:35:27,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-07 05:35:27,510 INFO L87 Difference]: Start difference. First operand 868 states and 1288 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:35:30,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:35:30,831 INFO L93 Difference]: Finished difference Result 1488 states and 2206 transitions. [2024-11-07 05:35:30,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 05:35:30,832 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-07 05:35:30,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:35:30,838 INFO L225 Difference]: With dead ends: 1488 [2024-11-07 05:35:30,838 INFO L226 Difference]: Without dead ends: 962 [2024-11-07 05:35:30,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-07 05:35:30,842 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 454 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 05:35:30,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1054 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 05:35:30,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-07 05:35:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 864. [2024-11-07 05:35:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 689 states have (on average 1.3788098693759072) internal successors, (950), 689 states have internal predecessors, (950), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-07 05:35:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1280 transitions. [2024-11-07 05:35:30,953 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1280 transitions. Word has length 216 [2024-11-07 05:35:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:35:30,953 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1280 transitions. [2024-11-07 05:35:30,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:35:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1280 transitions. [2024-11-07 05:35:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-07 05:35:30,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:35:30,957 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:30,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 05:35:30,957 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:35:30,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:35:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1391725280, now seen corresponding path program 1 times [2024-11-07 05:35:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:35:30,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983453241] [2024-11-07 05:35:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:35:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:35:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat