./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.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_fillercodestructure_filler-ps-cn_file-81.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', '330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f'] 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_fillercodestructure_filler-ps-cn_file-81.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 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:08:34,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:08:34,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:08:34,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:08:34,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:08:34,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:08:34,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:08:34,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:08:34,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:08:34,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:08:34,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:08:34,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:08:34,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:08:34,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:08:34,938 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:08:34,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:08:34,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:08:34,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:08:34,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:08:34,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:08:34,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:08:34,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:08:34,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:08:34,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:08:34,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:08:34,941 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 -> 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f [2024-11-07 07:08:35,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:08:35,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:08:35,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:08:35,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:08:35,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:08:35,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-07 07:08:36,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:08:36,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:08:36,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-07 07:08:36,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c9d88715/a5ea4326ff5b4cbea1486f1a757b3a56/FLAGfc377af7f [2024-11-07 07:08:36,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c9d88715/a5ea4326ff5b4cbea1486f1a757b3a56 [2024-11-07 07:08:36,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:08:36,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:08:36,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:08:36,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:08:36,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:08:36,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:36" (1/1) ... [2024-11-07 07:08:36,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e10ccaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:36, skipping insertion in model container [2024-11-07 07:08:36,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:36" (1/1) ... [2024-11-07 07:08:36,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:08:37,052 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_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-11-07 07:08:37,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:08:37,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:08:37,168 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_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-11-07 07:08:37,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:08:37,235 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:08:37,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37 WrapperNode [2024-11-07 07:08:37,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:08:37,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:08:37,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:08:37,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:08:37,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,311 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-11-07 07:08:37,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:08:37,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:08:37,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:08:37,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:08:37,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,367 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 07:08:37,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:08:37,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:08:37,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:08:37,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:08:37,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (1/1) ... [2024-11-07 07:08:37,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:08:37,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:08:37,454 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 07:08:37,459 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 07:08:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:08:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:08:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:08:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:08:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:08:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:08:37,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:08:37,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:08:38,152 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 07:08:38,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:08:38,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:08:38,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:08:38,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:38 BoogieIcfgContainer [2024-11-07 07:08:38,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:08:38,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:08:38,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:08:38,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:08:38,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:08:36" (1/3) ... [2024-11-07 07:08:38,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1078e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:08:38, skipping insertion in model container [2024-11-07 07:08:38,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:37" (2/3) ... [2024-11-07 07:08:38,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1078e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:08:38, skipping insertion in model container [2024-11-07 07:08:38,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:38" (3/3) ... [2024-11-07 07:08:38,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-07 07:08:38,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:08:38,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:08:38,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:08:38,257 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;@1847a4fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:08:38,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:08:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:08:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-07 07:08:38,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:38,282 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:38,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:38,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash 827940478, now seen corresponding path program 1 times [2024-11-07 07:08:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:38,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851373694] [2024-11-07 07:08:38,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:08:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:08:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:08:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:08:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:08:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:08:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:08:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:08:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:08:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:08:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:08:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:08:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:08:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:08:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:08:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:08:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:08:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:08:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:08:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:08:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:08:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:08:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:08:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:08:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:08:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:08:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:08:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:08:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:08:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:08:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:08:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:08:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:08:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:08:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:08:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:08:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:08:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:08:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:08:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:38,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:08:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:08:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:08:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:08:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:08:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:08:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:08:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:08:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:08:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:08:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:08:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:08:39,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:08:39,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851373694] [2024-11-07 07:08:39,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851373694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:08:39,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:08:39,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:08:39,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612043017] [2024-11-07 07:08:39,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:08:39,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:08:39,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:08:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:08:39,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:08:39,114 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:08:39,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:08:39,153 INFO L93 Difference]: Finished difference Result 261 states and 474 transitions. [2024-11-07 07:08:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:08:39,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 306 [2024-11-07 07:08:39,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:08:39,168 INFO L225 Difference]: With dead ends: 261 [2024-11-07 07:08:39,168 INFO L226 Difference]: Without dead ends: 130 [2024-11-07 07:08:39,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 07:08:39,177 INFO L432 NwaCegarLoop]: 208 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, 208 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 07:08:39,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:08:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-07 07:08:39,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-07 07:08:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 78 states have internal predecessors, (108), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:08:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 208 transitions. [2024-11-07 07:08:39,234 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 208 transitions. Word has length 306 [2024-11-07 07:08:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:08:39,235 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 208 transitions. [2024-11-07 07:08:39,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:08:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 208 transitions. [2024-11-07 07:08:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-07 07:08:39,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:39,243 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:39,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:08:39,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:39,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1693238838, now seen corresponding path program 1 times [2024-11-07 07:08:39,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:39,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457317345] [2024-11-07 07:08:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:39,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:08:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:08:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:08:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:08:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:08:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:08:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:08:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:08:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:08:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:08:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:08:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:08:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:08:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:08:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:08:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:08:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:08:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:08:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:08:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:08:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:08:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:08:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:08:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:08:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:08:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:08:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:08:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:08:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:08:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:08:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:08:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:08:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:08:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:08:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:08:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:08:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:08:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:08:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:08:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:08:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:08:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:08:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:08:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:08:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:08:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:08:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:08:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:08:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:08:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:08:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:08:40,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:08:40,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457317345] [2024-11-07 07:08:40,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457317345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:08:40,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:08:40,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:08:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917045912] [2024-11-07 07:08:40,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:08:40,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:08:40,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:08:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:08:40,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:08:40,592 INFO L87 Difference]: Start difference. First operand 130 states and 208 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:41,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:08:41,004 INFO L93 Difference]: Finished difference Result 385 states and 620 transitions. [2024-11-07 07:08:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:08:41,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 306 [2024-11-07 07:08:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:08:41,012 INFO L225 Difference]: With dead ends: 385 [2024-11-07 07:08:41,013 INFO L226 Difference]: Without dead ends: 258 [2024-11-07 07:08:41,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:08:41,017 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 122 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:08:41,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 613 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:08:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-07 07:08:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 256. [2024-11-07 07:08:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:08:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 413 transitions. [2024-11-07 07:08:41,097 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 413 transitions. Word has length 306 [2024-11-07 07:08:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:08:41,098 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 413 transitions. [2024-11-07 07:08:41,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 413 transitions. [2024-11-07 07:08:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:08:41,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:41,105 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:41,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:08:41,106 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:41,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:41,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1402096609, now seen corresponding path program 1 times [2024-11-07 07:08:41,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:41,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921124236] [2024-11-07 07:08:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:41,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:08:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:08:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:08:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:08:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:08:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:08:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:08:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:08:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:08:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:08:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:08:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:08:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:08:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:08:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:08:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:08:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:08:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:08:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:08:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:08:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:08:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:08:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:08:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:08:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:08:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:08:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:08:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:08:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:08:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:08:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:08:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:08:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:08:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:08:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:08:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:08:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:08:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:08:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:08:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:08:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:08:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:08:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:08:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:08:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:08:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:08:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:08:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:08:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:08:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:08:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:08:42,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:08:42,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921124236] [2024-11-07 07:08:42,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921124236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:08:42,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:08:42,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 07:08:42,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686328919] [2024-11-07 07:08:42,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:08:42,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 07:08:42,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:08:42,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 07:08:42,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:08:42,259 INFO L87 Difference]: Start difference. First operand 256 states and 413 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:08:43,251 INFO L93 Difference]: Finished difference Result 959 states and 1522 transitions. [2024-11-07 07:08:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 07:08:43,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-07 07:08:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:08:43,259 INFO L225 Difference]: With dead ends: 959 [2024-11-07 07:08:43,260 INFO L226 Difference]: Without dead ends: 706 [2024-11-07 07:08:43,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 07:08:43,262 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 434 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:08:43,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 671 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:08:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-07 07:08:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 270. [2024-11-07 07:08:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 165 states have (on average 1.387878787878788) internal successors, (229), 165 states have internal predecessors, (229), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:08:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 429 transitions. [2024-11-07 07:08:43,362 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 429 transitions. Word has length 307 [2024-11-07 07:08:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:08:43,363 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 429 transitions. [2024-11-07 07:08:43,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 429 transitions. [2024-11-07 07:08:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:08:43,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:43,370 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:43,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:08:43,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:43,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash 364163055, now seen corresponding path program 1 times [2024-11-07 07:08:43,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:43,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616746462] [2024-11-07 07:08:43,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:43,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:08:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:08:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:08:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:08:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:08:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:08:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:08:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:08:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:08:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:08:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:08:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:08:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:08:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:08:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:08:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:08:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:08:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:08:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:08:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:08:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:08:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:08:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:08:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:08:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:08:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:08:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:08:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:08:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:08:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:08:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:08:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:08:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:08:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:08:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:08:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:08:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:08:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:08:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:08:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:08:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:08:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:08:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:08:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:08:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:08:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:08:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:08:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:08:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:08:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:08:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:08:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:08:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616746462] [2024-11-07 07:08:43,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616746462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:08:43,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:08:43,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:08:43,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816701830] [2024-11-07 07:08:43,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:08:43,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:08:43,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:08:43,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:08:43,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:08:43,858 INFO L87 Difference]: Start difference. First operand 270 states and 429 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:43,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:08:43,984 INFO L93 Difference]: Finished difference Result 605 states and 952 transitions. [2024-11-07 07:08:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:08:43,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-07 07:08:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:08:43,994 INFO L225 Difference]: With dead ends: 605 [2024-11-07 07:08:43,994 INFO L226 Difference]: Without dead ends: 338 [2024-11-07 07:08:43,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:08:43,996 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 42 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:08:43,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 614 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:08:43,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-07 07:08:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-11-07 07:08:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 219 states have (on average 1.3835616438356164) internal successors, (303), 221 states have internal predecessors, (303), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:08:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 519 transitions. [2024-11-07 07:08:44,061 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 519 transitions. Word has length 307 [2024-11-07 07:08:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:08:44,063 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 519 transitions. [2024-11-07 07:08:44,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 519 transitions. [2024-11-07 07:08:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:08:44,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:44,067 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:44,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:08:44,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:44,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash 757190065, now seen corresponding path program 1 times [2024-11-07 07:08:44,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:44,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716642815] [2024-11-07 07:08:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:44,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:08:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:08:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:08:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:08:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:08:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:08:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:08:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:08:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:08:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:08:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:08:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:08:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:08:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:08:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:08:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:08:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:08:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:08:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:08:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:08:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:08:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:08:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:08:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:08:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:08:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:08:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:08:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:08:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:08:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:08:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:08:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:08:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:08:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:08:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:08:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:08:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:08:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:08:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:08:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:08:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:08:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:08:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:08:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:08:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:08:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:08:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:08:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:08:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:08:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:08:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:08:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:08:58,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:08:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716642815] [2024-11-07 07:08:58,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716642815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:08:58,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:08:58,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:08:58,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649060362] [2024-11-07 07:08:58,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:08:58,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:08:58,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:08:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:08:58,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:08:58,254 INFO L87 Difference]: Start difference. First operand 334 states and 519 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:59,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:08:59,011 INFO L93 Difference]: Finished difference Result 780 states and 1191 transitions. [2024-11-07 07:08:59,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:08:59,012 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-07 07:08:59,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:08:59,021 INFO L225 Difference]: With dead ends: 780 [2024-11-07 07:08:59,021 INFO L226 Difference]: Without dead ends: 449 [2024-11-07 07:08:59,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:08:59,026 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 194 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:08:59,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 743 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 07:08:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-07 07:08:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 354. [2024-11-07 07:08:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 239 states have (on average 1.3849372384937237) internal successors, (331), 241 states have internal predecessors, (331), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:08:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 547 transitions. [2024-11-07 07:08:59,073 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 547 transitions. Word has length 307 [2024-11-07 07:08:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:08:59,075 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 547 transitions. [2024-11-07 07:08:59,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:08:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 547 transitions. [2024-11-07 07:08:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:08:59,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:08:59,078 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:59,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:08:59,079 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:08:59,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:08:59,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1458254643, now seen corresponding path program 1 times [2024-11-07 07:08:59,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:08:59,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924335935] [2024-11-07 07:08:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:08:59,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:08:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:06,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:06,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924335935] [2024-11-07 07:09:06,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924335935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:06,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:06,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:09:06,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577651827] [2024-11-07 07:09:06,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:06,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:09:06,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:06,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:09:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:09:06,538 INFO L87 Difference]: Start difference. First operand 354 states and 547 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:09,667 INFO L93 Difference]: Finished difference Result 1087 states and 1661 transitions. [2024-11-07 07:09:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:09:09,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-07 07:09:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:09,674 INFO L225 Difference]: With dead ends: 1087 [2024-11-07 07:09:09,674 INFO L226 Difference]: Without dead ends: 736 [2024-11-07 07:09:09,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-07 07:09:09,678 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 474 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:09,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1154 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 07:09:09,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-07 07:09:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 494. [2024-11-07 07:09:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 327 states have (on average 1.4097859327217126) internal successors, (461), 329 states have internal predecessors, (461), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 777 transitions. [2024-11-07 07:09:09,754 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 777 transitions. Word has length 307 [2024-11-07 07:09:09,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:09,755 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 777 transitions. [2024-11-07 07:09:09,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 777 transitions. [2024-11-07 07:09:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:09:09,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:09,759 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:09:09,759 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1015355503, now seen corresponding path program 1 times [2024-11-07 07:09:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:09,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911712704] [2024-11-07 07:09:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:11,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:11,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911712704] [2024-11-07 07:09:11,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911712704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:11,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:11,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:09:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974136530] [2024-11-07 07:09:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:11,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:09:11,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:11,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:09:11,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:09:11,009 INFO L87 Difference]: Start difference. First operand 494 states and 777 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:12,044 INFO L93 Difference]: Finished difference Result 1033 states and 1595 transitions. [2024-11-07 07:09:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 07:09:12,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 307 [2024-11-07 07:09:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:12,052 INFO L225 Difference]: With dead ends: 1033 [2024-11-07 07:09:12,052 INFO L226 Difference]: Without dead ends: 682 [2024-11-07 07:09:12,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:09:12,054 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 447 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:12,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 905 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:09:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-07 07:09:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 506. [2024-11-07 07:09:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 339 states have (on average 1.40117994100295) internal successors, (475), 341 states have internal predecessors, (475), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 791 transitions. [2024-11-07 07:09:12,132 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 791 transitions. Word has length 307 [2024-11-07 07:09:12,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:12,133 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 791 transitions. [2024-11-07 07:09:12,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 791 transitions. [2024-11-07 07:09:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-07 07:09:12,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:12,136 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:12,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:09:12,136 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:12,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:12,137 INFO L85 PathProgramCache]: Analyzing trace with hash 447137393, now seen corresponding path program 1 times [2024-11-07 07:09:12,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:12,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434070007] [2024-11-07 07:09:12,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:12,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:18,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:18,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434070007] [2024-11-07 07:09:18,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434070007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:18,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:18,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:09:18,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428994863] [2024-11-07 07:09:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:18,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:09:18,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:18,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:09:18,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:09:18,928 INFO L87 Difference]: Start difference. First operand 506 states and 791 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:19,571 INFO L93 Difference]: Finished difference Result 931 states and 1435 transitions. [2024-11-07 07:09:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:09:19,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-07 07:09:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:19,580 INFO L225 Difference]: With dead ends: 931 [2024-11-07 07:09:19,580 INFO L226 Difference]: Without dead ends: 580 [2024-11-07 07:09:19,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:09:19,582 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 136 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:19,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 726 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 07:09:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-07 07:09:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 500. [2024-11-07 07:09:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 333 states have (on average 1.4024024024024024) internal successors, (467), 335 states have internal predecessors, (467), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 783 transitions. [2024-11-07 07:09:19,638 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 783 transitions. Word has length 307 [2024-11-07 07:09:19,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:19,638 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 783 transitions. [2024-11-07 07:09:19,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 783 transitions. [2024-11-07 07:09:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-07 07:09:19,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:19,642 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:19,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 07:09:19,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:19,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1581899888, now seen corresponding path program 1 times [2024-11-07 07:09:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:19,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976508995] [2024-11-07 07:09:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:19,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:26,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:26,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976508995] [2024-11-07 07:09:26,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976508995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:26,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:26,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:09:26,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472704844] [2024-11-07 07:09:26,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:26,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:09:26,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:26,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:09:26,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:09:26,035 INFO L87 Difference]: Start difference. First operand 500 states and 783 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:27,922 INFO L93 Difference]: Finished difference Result 1177 states and 1794 transitions. [2024-11-07 07:09:27,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 07:09:27,923 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 308 [2024-11-07 07:09:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:27,929 INFO L225 Difference]: With dead ends: 1177 [2024-11-07 07:09:27,929 INFO L226 Difference]: Without dead ends: 826 [2024-11-07 07:09:27,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-07 07:09:27,931 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 712 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:27,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 1072 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 07:09:27,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-07 07:09:27,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 524. [2024-11-07 07:09:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 357 states have (on average 1.403361344537815) internal successors, (501), 359 states have internal predecessors, (501), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 817 transitions. [2024-11-07 07:09:28,002 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 817 transitions. Word has length 308 [2024-11-07 07:09:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:28,003 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 817 transitions. [2024-11-07 07:09:28,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 817 transitions. [2024-11-07 07:09:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-07 07:09:28,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:28,005 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:28,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:09:28,005 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:28,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:28,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1188872878, now seen corresponding path program 1 times [2024-11-07 07:09:28,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:28,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475613884] [2024-11-07 07:09:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:34,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:34,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475613884] [2024-11-07 07:09:34,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475613884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:34,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:34,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:09:34,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957385165] [2024-11-07 07:09:34,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:34,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:09:34,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:34,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:09:34,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:09:34,589 INFO L87 Difference]: Start difference. First operand 524 states and 817 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:36,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:36,818 INFO L93 Difference]: Finished difference Result 1219 states and 1842 transitions. [2024-11-07 07:09:36,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 07:09:36,819 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 308 [2024-11-07 07:09:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:36,828 INFO L225 Difference]: With dead ends: 1219 [2024-11-07 07:09:36,828 INFO L226 Difference]: Without dead ends: 868 [2024-11-07 07:09:36,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-07 07:09:36,831 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 275 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:36,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1145 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:09:36,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-07 07:09:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 534. [2024-11-07 07:09:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 367 states have (on average 1.4141689373297002) internal successors, (519), 369 states have internal predecessors, (519), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 835 transitions. [2024-11-07 07:09:36,906 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 835 transitions. Word has length 308 [2024-11-07 07:09:36,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:36,907 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 835 transitions. [2024-11-07 07:09:36,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-07 07:09:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 835 transitions. [2024-11-07 07:09:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-07 07:09:36,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:36,910 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:36,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:09:36,911 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:36,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash -880835310, now seen corresponding path program 1 times [2024-11-07 07:09:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:36,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610000086] [2024-11-07 07:09:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:42,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:42,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610000086] [2024-11-07 07:09:42,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610000086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:42,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:42,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:09:42,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257132724] [2024-11-07 07:09:42,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:42,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:09:42,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:09:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:09:42,005 INFO L87 Difference]: Start difference. First operand 534 states and 835 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:43,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:09:43,894 INFO L93 Difference]: Finished difference Result 1177 states and 1801 transitions. [2024-11-07 07:09:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 07:09:43,895 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 308 [2024-11-07 07:09:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:09:43,901 INFO L225 Difference]: With dead ends: 1177 [2024-11-07 07:09:43,901 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 07:09:43,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-07 07:09:43,904 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 420 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:09:43,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1400 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:09:43,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 07:09:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 536. [2024-11-07 07:09:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 369 states have (on average 1.4173441734417345) internal successors, (523), 371 states have internal predecessors, (523), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-07 07:09:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 839 transitions. [2024-11-07 07:09:43,971 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 839 transitions. Word has length 308 [2024-11-07 07:09:43,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:09:43,971 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 839 transitions. [2024-11-07 07:09:43,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-07 07:09:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 839 transitions. [2024-11-07 07:09:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-07 07:09:43,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:09:43,974 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:09:43,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:09:43,974 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:09:43,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:09:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash -487808300, now seen corresponding path program 1 times [2024-11-07 07:09:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:09:43,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616059497] [2024-11-07 07:09:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:09:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:09:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:09:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:09:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:09:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:09:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:09:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:09:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:09:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:09:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:09:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:09:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:09:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:09:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:09:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:09:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:09:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:09:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:09:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:09:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:09:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:09:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:09:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:09:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:09:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:09:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:09:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:09:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:09:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:09:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:09:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:09:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:09:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:09:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:09:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:09:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:09:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:09:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:09:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:09:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:09:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:09:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:09:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:09:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:09:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:09:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:09:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:09:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:09:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 07:09:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 07:09:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 07:09:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:09:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-07 07:09:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:09:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616059497] [2024-11-07 07:09:49,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616059497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:09:49,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:09:49,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:09:49,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210737628] [2024-11-07 07:09:49,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:09:49,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:09:49,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:09:49,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:09:49,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:09:49,529 INFO L87 Difference]: Start difference. First operand 536 states and 839 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)