./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'c9a61aaa8a2d24f80a58e864d1bce01bb7b7956b51190c2b8e5fc48a6872e407'] 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-pe-co_file-34.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9a61aaa8a2d24f80a58e864d1bce01bb7b7956b51190c2b8e5fc48a6872e407 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:07:31,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:07:31,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:07:31,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:07:31,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:07:31,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:07:31,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:07:31,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:07:31,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:07:31,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:07:31,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:07:31,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:07:31,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:07:31,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:07:31,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:07:31,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:07:31,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:07:31,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:07:31,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:07:31,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:07:31,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:07:31,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:07:31,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:07:31,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:07:31,408 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 -> c9a61aaa8a2d24f80a58e864d1bce01bb7b7956b51190c2b8e5fc48a6872e407 [2024-11-07 06:07:31,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:07:31,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:07:31,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:07:31,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:07:31,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:07:31,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-07 06:07:33,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:07:33,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:07:33,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-07 06:07:33,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b4a59a11/c196815d07ab426da05e452c61809c4f/FLAGb849d4563 [2024-11-07 06:07:33,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b4a59a11/c196815d07ab426da05e452c61809c4f [2024-11-07 06:07:33,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:07:33,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:07:33,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:07:33,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:07:33,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:07:33,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:07:33" (1/1) ... [2024-11-07 06:07:33,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5959ae77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:33, skipping insertion in model container [2024-11-07 06:07:33,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:07:33" (1/1) ... [2024-11-07 06:07:33,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:07:33,799 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-pe-co_file-34.i[919,932] [2024-11-07 06:07:33,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:07:33,922 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:07:33,939 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-pe-co_file-34.i[919,932] [2024-11-07 06:07:33,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:07:34,019 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:07:34,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34 WrapperNode [2024-11-07 06:07:34,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:07:34,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:07:34,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:07:34,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:07:34,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,117 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-07 06:07:34,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:07:34,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:07:34,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:07:34,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:07:34,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,179 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 06:07:34,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:07:34,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:07:34,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:07:34,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:07:34,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (1/1) ... [2024-11-07 06:07:34,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:07:34,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:07:34,241 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 06:07:34,248 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 06:07:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:07:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:07:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:07:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:07:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:07:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:07:34,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:07:34,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:07:35,111 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-07 06:07:35,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:07:35,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:07:35,129 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:07:35,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:07:35 BoogieIcfgContainer [2024-11-07 06:07:35,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:07:35,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:07:35,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:07:35,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:07:35,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:07:33" (1/3) ... [2024-11-07 06:07:35,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37afe282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:07:35, skipping insertion in model container [2024-11-07 06:07:35,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:07:34" (2/3) ... [2024-11-07 06:07:35,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37afe282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:07:35, skipping insertion in model container [2024-11-07 06:07:35,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:07:35" (3/3) ... [2024-11-07 06:07:35,143 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-34.i [2024-11-07 06:07:35,160 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:07:35,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:07:35,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:07:35,240 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;@551aa1c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:07:35,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:07:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:07:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 06:07:35,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:07:35,267 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:35,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:07:35,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:07:35,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1169059913, now seen corresponding path program 1 times [2024-11-07 06:07:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:07:35,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458030792] [2024-11-07 06:07:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:07:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:07:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:07:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:07:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:07:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:07:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:07:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:07:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:07:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:07:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:07:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:07:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:07:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:07:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:07:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:07:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:07:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:07:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:07:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:07:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:07:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:07:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:07:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:07:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:07:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:07:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:07:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:07:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:07:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:07:35,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:07:35,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458030792] [2024-11-07 06:07:35,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458030792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:07:35,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:07:35,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:07:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074521525] [2024-11-07 06:07:35,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:07:35,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:07:35,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:07:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:07:35,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:07:35,903 INFO L87 Difference]: Start difference. First operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:07:35,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:07:35,940 INFO L93 Difference]: Finished difference Result 199 states and 347 transitions. [2024-11-07 06:07:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:07:35,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 179 [2024-11-07 06:07:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:07:35,954 INFO L225 Difference]: With dead ends: 199 [2024-11-07 06:07:35,955 INFO L226 Difference]: Without dead ends: 99 [2024-11-07 06:07:35,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 06:07:35,966 INFO L432 NwaCegarLoop]: 156 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, 156 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 06:07:35,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:07:35,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-07 06:07:36,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-07 06:07:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:07:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-07 06:07:36,027 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 179 [2024-11-07 06:07:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:07:36,028 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-07 06:07:36,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:07:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-07 06:07:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 06:07:36,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:07:36,033 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:36,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:07:36,034 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:07:36,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:07:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1712307919, now seen corresponding path program 1 times [2024-11-07 06:07:36,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:07:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153132705] [2024-11-07 06:07:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:07:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:07:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:07:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:07:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:07:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:07:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:07:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:07:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:07:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:07:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:07:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:07:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:07:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:07:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:07:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:07:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:07:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:07:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:07:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:07:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:07:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:07:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:07:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:07:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:07:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:07:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:07:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:07:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:07:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:07:36,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:07:36,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153132705] [2024-11-07 06:07:36,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153132705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:07:36,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:07:36,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:07:36,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894378508] [2024-11-07 06:07:36,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:07:36,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:07:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:07:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:07:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:07:36,991 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:07:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:07:37,305 INFO L93 Difference]: Finished difference Result 331 states and 526 transitions. [2024-11-07 06:07:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 06:07:37,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-11-07 06:07:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:07:37,312 INFO L225 Difference]: With dead ends: 331 [2024-11-07 06:07:37,312 INFO L226 Difference]: Without dead ends: 235 [2024-11-07 06:07:37,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:07:37,315 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 175 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:07:37,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 505 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:07:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-07 06:07:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 195. [2024-11-07 06:07:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:07:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2024-11-07 06:07:37,384 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 179 [2024-11-07 06:07:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:07:37,385 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2024-11-07 06:07:37,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:07:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2024-11-07 06:07:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 06:07:37,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:07:37,392 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:37,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:07:37,392 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:07:37,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:07:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash 409313057, now seen corresponding path program 1 times [2024-11-07 06:07:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:07:37,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470630003] [2024-11-07 06:07:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:07:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:07:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:07:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:07:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:07:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:07:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:07:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:07:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:07:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:07:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:07:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:07:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:07:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:07:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:07:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:07:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:07:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:07:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:07:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:07:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:07:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:07:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:07:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:07:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:07:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:07:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:07:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:07:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:07:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:07:38,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:07:38,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470630003] [2024-11-07 06:07:38,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470630003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:07:38,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:07:38,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:07:38,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742095649] [2024-11-07 06:07:38,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:07:38,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:07:38,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:07:38,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:07:38,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:07:38,049 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:07:38,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:07:38,513 INFO L93 Difference]: Finished difference Result 574 states and 910 transitions. [2024-11-07 06:07:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:07:38,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180 [2024-11-07 06:07:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:07:38,520 INFO L225 Difference]: With dead ends: 574 [2024-11-07 06:07:38,520 INFO L226 Difference]: Without dead ends: 382 [2024-11-07 06:07:38,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 06:07:38,522 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 194 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:07:38,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 456 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 06:07:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-07 06:07:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199. [2024-11-07 06:07:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:07:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-07 06:07:38,580 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 180 [2024-11-07 06:07:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:07:38,581 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-07 06:07:38,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:07:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-07 06:07:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 06:07:38,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:07:38,587 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:38,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:07:38,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:07:38,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:07:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash 647551079, now seen corresponding path program 1 times [2024-11-07 06:07:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:07:38,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816081120] [2024-11-07 06:07:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:07:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:07:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:07:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:07:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:07:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:07:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:07:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:07:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:07:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:07:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:07:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:07:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:07:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:07:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:07:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:07:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:07:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:07:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:07:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:07:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:07:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:07:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:07:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:07:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:07:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:55,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:07:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:55,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:07:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:55,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:07:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:07:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:07:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:07:55,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:07:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816081120] [2024-11-07 06:07:55,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816081120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:07:55,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:07:55,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 06:07:55,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327952174] [2024-11-07 06:07:55,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:07:55,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 06:07:55,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:07:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 06:07:55,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:07:55,099 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:00,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:00,246 INFO L93 Difference]: Finished difference Result 763 states and 1204 transitions. [2024-11-07 06:08:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 06:08:00,247 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 06:08:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:00,251 INFO L225 Difference]: With dead ends: 763 [2024-11-07 06:08:00,252 INFO L226 Difference]: Without dead ends: 567 [2024-11-07 06:08:00,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-07 06:08:00,254 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 943 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:00,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 725 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 06:08:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-07 06:08:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 360. [2024-11-07 06:08:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 275 states have (on average 1.4654545454545456) internal successors, (403), 275 states have internal predecessors, (403), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 565 transitions. [2024-11-07 06:08:00,337 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 565 transitions. Word has length 181 [2024-11-07 06:08:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:00,339 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 565 transitions. [2024-11-07 06:08:00,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 565 transitions. [2024-11-07 06:08:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 06:08:00,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:00,344 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:00,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:08:00,345 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:00,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:00,345 INFO L85 PathProgramCache]: Analyzing trace with hash -363566171, now seen corresponding path program 1 times [2024-11-07 06:08:00,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016737244] [2024-11-07 06:08:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:00,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:02,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:02,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:03,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:03,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016737244] [2024-11-07 06:08:03,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016737244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:03,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:03,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 06:08:03,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536227293] [2024-11-07 06:08:03,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:03,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 06:08:03,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:03,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 06:08:03,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 06:08:03,358 INFO L87 Difference]: Start difference. First operand 360 states and 565 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:08:04,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:04,867 INFO L93 Difference]: Finished difference Result 854 states and 1341 transitions. [2024-11-07 06:08:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 06:08:04,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2024-11-07 06:08:04,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:04,875 INFO L225 Difference]: With dead ends: 854 [2024-11-07 06:08:04,875 INFO L226 Difference]: Without dead ends: 628 [2024-11-07 06:08:04,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:08:04,878 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 509 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:04,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 682 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 06:08:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-07 06:08:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 406. [2024-11-07 06:08:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 321 states have (on average 1.4610591900311527) internal successors, (469), 321 states have internal predecessors, (469), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 631 transitions. [2024-11-07 06:08:04,945 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 631 transitions. Word has length 181 [2024-11-07 06:08:04,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:04,946 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 631 transitions. [2024-11-07 06:08:04,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:08:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 631 transitions. [2024-11-07 06:08:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 06:08:04,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:04,949 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:04,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:08:04,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:04,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash -373517275, now seen corresponding path program 1 times [2024-11-07 06:08:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:04,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751006433] [2024-11-07 06:08:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751006433] [2024-11-07 06:08:07,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751006433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:07,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:07,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 06:08:07,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174180746] [2024-11-07 06:08:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:07,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 06:08:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:07,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 06:08:07,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 06:08:07,582 INFO L87 Difference]: Start difference. First operand 406 states and 631 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:08,838 INFO L93 Difference]: Finished difference Result 917 states and 1426 transitions. [2024-11-07 06:08:08,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 06:08:08,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 06:08:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:08,844 INFO L225 Difference]: With dead ends: 917 [2024-11-07 06:08:08,845 INFO L226 Difference]: Without dead ends: 648 [2024-11-07 06:08:08,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:08:08,849 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 508 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:08,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 532 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 06:08:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-07 06:08:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 488. [2024-11-07 06:08:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 403 states have (on average 1.4863523573200992) internal successors, (599), 403 states have internal predecessors, (599), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 761 transitions. [2024-11-07 06:08:08,912 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 761 transitions. Word has length 181 [2024-11-07 06:08:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:08,912 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 761 transitions. [2024-11-07 06:08:08,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 761 transitions. [2024-11-07 06:08:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 06:08:08,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:08,916 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:08,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 06:08:08,916 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:08,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2041982826, now seen corresponding path program 1 times [2024-11-07 06:08:08,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:08,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124694491] [2024-11-07 06:08:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:10,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:10,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124694491] [2024-11-07 06:08:10,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124694491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:10,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:10,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 06:08:10,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762086404] [2024-11-07 06:08:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:10,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 06:08:10,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:10,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 06:08:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 06:08:10,371 INFO L87 Difference]: Start difference. First operand 488 states and 761 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:10,896 INFO L93 Difference]: Finished difference Result 972 states and 1527 transitions. [2024-11-07 06:08:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 06:08:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 06:08:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:10,904 INFO L225 Difference]: With dead ends: 972 [2024-11-07 06:08:10,905 INFO L226 Difference]: Without dead ends: 684 [2024-11-07 06:08:10,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 06:08:10,908 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 270 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:10,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 559 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 06:08:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-07 06:08:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 494. [2024-11-07 06:08:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 409 states have (on average 1.4743276283618583) internal successors, (603), 409 states have internal predecessors, (603), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 765 transitions. [2024-11-07 06:08:10,963 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 765 transitions. Word has length 181 [2024-11-07 06:08:10,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:10,965 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 765 transitions. [2024-11-07 06:08:10,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 765 transitions. [2024-11-07 06:08:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 06:08:10,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:10,968 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:10,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 06:08:10,969 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:10,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:10,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1070252905, now seen corresponding path program 1 times [2024-11-07 06:08:10,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:10,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828722247] [2024-11-07 06:08:10,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:10,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:11,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828722247] [2024-11-07 06:08:11,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828722247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:11,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:11,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:08:11,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832916820] [2024-11-07 06:08:11,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:11,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:08:11,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:11,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:08:11,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:08:11,431 INFO L87 Difference]: Start difference. First operand 494 states and 765 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:11,716 INFO L93 Difference]: Finished difference Result 784 states and 1226 transitions. [2024-11-07 06:08:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 06:08:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-07 06:08:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:11,721 INFO L225 Difference]: With dead ends: 784 [2024-11-07 06:08:11,721 INFO L226 Difference]: Without dead ends: 488 [2024-11-07 06:08:11,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:08:11,723 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 108 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:11,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 386 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:08:11,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-07 06:08:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 460. [2024-11-07 06:08:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 375 states have (on average 1.4426666666666668) internal successors, (541), 375 states have internal predecessors, (541), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 703 transitions. [2024-11-07 06:08:11,765 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 703 transitions. Word has length 181 [2024-11-07 06:08:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:11,766 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 703 transitions. [2024-11-07 06:08:11,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 703 transitions. [2024-11-07 06:08:11,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 06:08:11,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:11,768 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:11,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 06:08:11,769 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:11,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash -804213332, now seen corresponding path program 1 times [2024-11-07 06:08:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:11,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57647701] [2024-11-07 06:08:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:11,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:15,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:15,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57647701] [2024-11-07 06:08:15,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57647701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:15,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:15,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 06:08:15,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555698324] [2024-11-07 06:08:15,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:15,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 06:08:15,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:15,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 06:08:15,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 06:08:15,274 INFO L87 Difference]: Start difference. First operand 460 states and 703 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:17,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:17,097 INFO L93 Difference]: Finished difference Result 977 states and 1518 transitions. [2024-11-07 06:08:17,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 06:08:17,099 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 06:08:17,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:17,104 INFO L225 Difference]: With dead ends: 977 [2024-11-07 06:08:17,105 INFO L226 Difference]: Without dead ends: 781 [2024-11-07 06:08:17,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:08:17,108 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 603 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:17,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 680 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 06:08:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-07 06:08:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 556. [2024-11-07 06:08:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 469 states have (on average 1.4733475479744136) internal successors, (691), 469 states have internal predecessors, (691), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:08:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 853 transitions. [2024-11-07 06:08:17,167 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 853 transitions. Word has length 182 [2024-11-07 06:08:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:17,167 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 853 transitions. [2024-11-07 06:08:17,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 853 transitions. [2024-11-07 06:08:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 06:08:17,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:17,169 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:17,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 06:08:17,170 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:17,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:17,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1433845576, now seen corresponding path program 1 times [2024-11-07 06:08:17,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:17,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246682189] [2024-11-07 06:08:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:21,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246682189] [2024-11-07 06:08:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246682189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:21,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:21,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 06:08:21,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645794560] [2024-11-07 06:08:21,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:21,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 06:08:21,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:21,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 06:08:21,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:08:21,744 INFO L87 Difference]: Start difference. First operand 556 states and 853 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:25,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:25,429 INFO L93 Difference]: Finished difference Result 1505 states and 2344 transitions. [2024-11-07 06:08:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 06:08:25,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 06:08:25,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:25,436 INFO L225 Difference]: With dead ends: 1505 [2024-11-07 06:08:25,436 INFO L226 Difference]: Without dead ends: 1183 [2024-11-07 06:08:25,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-07 06:08:25,438 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 801 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:25,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 824 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 06:08:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-11-07 06:08:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1020. [2024-11-07 06:08:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 875 states have (on average 1.5074285714285713) internal successors, (1319), 875 states have internal predecessors, (1319), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 06:08:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1589 transitions. [2024-11-07 06:08:25,516 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1589 transitions. Word has length 182 [2024-11-07 06:08:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:25,517 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1589 transitions. [2024-11-07 06:08:25,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1589 transitions. [2024-11-07 06:08:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 06:08:25,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:25,521 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:25,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 06:08:25,522 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:25,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1840053366, now seen corresponding path program 1 times [2024-11-07 06:08:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948635078] [2024-11-07 06:08:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948635078] [2024-11-07 06:08:29,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948635078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:29,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:29,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 06:08:29,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765884678] [2024-11-07 06:08:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:29,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 06:08:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 06:08:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-07 06:08:29,088 INFO L87 Difference]: Start difference. First operand 1020 states and 1589 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:08:32,381 INFO L93 Difference]: Finished difference Result 2092 states and 3254 transitions. [2024-11-07 06:08:32,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 06:08:32,382 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-07 06:08:32,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:08:32,389 INFO L225 Difference]: With dead ends: 2092 [2024-11-07 06:08:32,389 INFO L226 Difference]: Without dead ends: 1570 [2024-11-07 06:08:32,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-11-07 06:08:32,392 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 389 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:08:32,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 981 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 06:08:32,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-07 06:08:32,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1142. [2024-11-07 06:08:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 997 states have (on average 1.5245737211634904) internal successors, (1520), 997 states have internal predecessors, (1520), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 06:08:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1790 transitions. [2024-11-07 06:08:32,490 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1790 transitions. Word has length 182 [2024-11-07 06:08:32,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:08:32,491 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1790 transitions. [2024-11-07 06:08:32,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:08:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1790 transitions. [2024-11-07 06:08:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 06:08:32,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:08:32,495 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:32,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 06:08:32,495 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:08:32,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:08:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1682938684, now seen corresponding path program 1 times [2024-11-07 06:08:32,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:08:32,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456400504] [2024-11-07 06:08:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:08:32,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:08:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:08:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:08:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 06:08:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:08:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 06:08:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:08:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 06:08:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:08:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 06:08:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:08:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 06:08:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:08:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 06:08:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:08:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:08:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 06:08:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:08:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:08:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:08:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:08:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:08:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:08:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:08:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 06:08:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:08:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 06:08:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:08:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:08:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:08:38,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:08:38,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456400504] [2024-11-07 06:08:38,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456400504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:08:38,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:08:38,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 06:08:38,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875836195] [2024-11-07 06:08:38,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:08:38,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 06:08:38,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:08:38,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 06:08:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:08:38,079 INFO L87 Difference]: Start difference. First operand 1142 states and 1790 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)