./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.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', '59727828023891546cc5a25cf7f297a1b2c37fd03b88eda6114da55f7e3ce778'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.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 59727828023891546cc5a25cf7f297a1b2c37fd03b88eda6114da55f7e3ce778 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:20:15,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:20:15,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:20:15,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:20:15,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:20:15,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:20:15,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:20:15,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:20:15,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:20:15,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:20:15,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:20:15,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:20:15,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:20:15,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:20:15,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:20:15,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:20:15,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:20:15,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:20:15,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:20:15,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:20:15,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:20:15,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:20:15,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:20:15,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:20:15,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:20:15,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:20:15,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:20:15,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:20:15,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:20:15,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:20:15,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:20:15,339 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 -> 59727828023891546cc5a25cf7f297a1b2c37fd03b88eda6114da55f7e3ce778 [2024-11-07 07:20:15,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:20:15,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:20:15,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:20:15,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:20:15,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:20:15,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-07 07:20:16,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:20:17,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:20:17,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-07 07:20:17,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74772d5f5/e7ae7858de8545a4a1a3642dd4967f95/FLAGadaa54160 [2024-11-07 07:20:17,258 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74772d5f5/e7ae7858de8545a4a1a3642dd4967f95 [2024-11-07 07:20:17,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:20:17,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:20:17,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:20:17,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:20:17,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:20:17,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daec1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17, skipping insertion in model container [2024-11-07 07:20:17,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:20:17,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i[919,932] [2024-11-07 07:20:17,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:20:17,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:20:17,533 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i[919,932] [2024-11-07 07:20:17,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:20:17,593 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:20:17,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17 WrapperNode [2024-11-07 07:20:17,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:20:17,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:20:17,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:20:17,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:20:17,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,674 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-07 07:20:17,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:20:17,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:20:17,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:20:17,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:20:17,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,723 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:20:17,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:20:17,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:20:17,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:20:17,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:20:17,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (1/1) ... [2024-11-07 07:20:17,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:20:17,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:20:17,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:20:17,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:20:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:20:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:20:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:20:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:20:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:20:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:20:17,915 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:20:17,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:20:18,380 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 07:20:18,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:20:18,393 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:20:18,393 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:20:18,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:20:18 BoogieIcfgContainer [2024-11-07 07:20:18,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:20:18,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:20:18,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:20:18,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:20:18,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:20:17" (1/3) ... [2024-11-07 07:20:18,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133add93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:20:18, skipping insertion in model container [2024-11-07 07:20:18,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:17" (2/3) ... [2024-11-07 07:20:18,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133add93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:20:18, skipping insertion in model container [2024-11-07 07:20:18,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:20:18" (3/3) ... [2024-11-07 07:20:18,402 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-07 07:20:18,413 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:20:18,414 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:20:18,467 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:20:18,478 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;@393c738e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:20:18,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:20:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 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 07:20:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:18,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:18,499 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] [2024-11-07 07:20:18,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:18,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2015951129, now seen corresponding path program 1 times [2024-11-07 07:20:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:18,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130547144] [2024-11-07 07:20:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:18,958 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 07:20:18,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:18,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130547144] [2024-11-07 07:20:18,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130547144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:18,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:18,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:20:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940167072] [2024-11-07 07:20:18,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:18,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:20:18,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:18,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:20:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:20:18,987 INFO L87 Difference]: Start difference. First operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 07:20:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:19,014 INFO L93 Difference]: Finished difference Result 189 states and 331 transitions. [2024-11-07 07:20:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:20:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:19,026 INFO L225 Difference]: With dead ends: 189 [2024-11-07 07:20:19,026 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 07:20:19,031 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 07:20:19,033 INFO L432 NwaCegarLoop]: 147 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, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:19,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:20:19,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 07:20:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 07:20:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 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 07:20:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-07 07:20:19,081 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 175 [2024-11-07 07:20:19,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:19,082 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-07 07:20:19,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 07:20:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-07 07:20:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:19,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:19,086 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] [2024-11-07 07:20:19,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:20:19,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:19,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:19,087 INFO L85 PathProgramCache]: Analyzing trace with hash 476781609, now seen corresponding path program 1 times [2024-11-07 07:20:19,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:19,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980224378] [2024-11-07 07:20:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:19,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,546 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 07:20:19,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:19,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980224378] [2024-11-07 07:20:19,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980224378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:19,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:19,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:20:19,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742090657] [2024-11-07 07:20:19,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:19,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:20:19,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:19,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:20:19,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:19,551 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:19,591 INFO L93 Difference]: Finished difference Result 186 states and 293 transitions. [2024-11-07 07:20:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:20:19,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:19,597 INFO L225 Difference]: With dead ends: 186 [2024-11-07 07:20:19,597 INFO L226 Difference]: Without dead ends: 95 [2024-11-07 07:20:19,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:19,599 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:19,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:20:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-07 07:20:19,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-07 07:20:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 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 07:20:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-07 07:20:19,613 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 175 [2024-11-07 07:20:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:19,614 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-07 07:20:19,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-07 07:20:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:19,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:19,617 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] [2024-11-07 07:20:19,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:20:19,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:19,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:19,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1517363097, now seen corresponding path program 1 times [2024-11-07 07:20:19,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:19,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553425433] [2024-11-07 07:20:19,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:19,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,074 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 07:20:20,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553425433] [2024-11-07 07:20:20,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553425433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:20,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:20,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 07:20:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207278234] [2024-11-07 07:20:20,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:20,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 07:20:20,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:20,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 07:20:20,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:20:20,078 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 07:20:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:20,421 INFO L93 Difference]: Finished difference Result 280 states and 439 transitions. [2024-11-07 07:20:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:20:20,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:20,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:20,428 INFO L225 Difference]: With dead ends: 280 [2024-11-07 07:20:20,428 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 07:20:20,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 07:20:20,430 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 147 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:20,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 475 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:20:20,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 07:20:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2024-11-07 07:20:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 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 07:20:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 263 transitions. [2024-11-07 07:20:20,472 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 263 transitions. Word has length 175 [2024-11-07 07:20:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:20,472 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 263 transitions. [2024-11-07 07:20:20,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 07:20:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 263 transitions. [2024-11-07 07:20:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:20,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:20,475 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] [2024-11-07 07:20:20,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:20:20,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:20,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1766486949, now seen corresponding path program 1 times [2024-11-07 07:20:20,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:20,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638165641] [2024-11-07 07:20:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:20,843 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 07:20:20,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:20,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638165641] [2024-11-07 07:20:20,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638165641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:20,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:20,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:20:20,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906080758] [2024-11-07 07:20:20,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:20,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:20:20,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:20,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:20:20,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:20,845 INFO L87 Difference]: Start difference. First operand 168 states and 263 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:20,879 INFO L93 Difference]: Finished difference Result 378 states and 594 transitions. [2024-11-07 07:20:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:20:20,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:20,883 INFO L225 Difference]: With dead ends: 378 [2024-11-07 07:20:20,883 INFO L226 Difference]: Without dead ends: 260 [2024-11-07 07:20:20,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:20,889 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 100 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:20,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 306 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:20:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-07 07:20:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2024-11-07 07:20:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 173 states have internal predecessors, (243), 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 07:20:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 405 transitions. [2024-11-07 07:20:20,937 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 405 transitions. Word has length 175 [2024-11-07 07:20:20,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:20,938 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 405 transitions. [2024-11-07 07:20:20,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 405 transitions. [2024-11-07 07:20:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:20,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:20,942 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] [2024-11-07 07:20:20,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:20:20,942 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:20,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1985341667, now seen corresponding path program 1 times [2024-11-07 07:20:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543178166] [2024-11-07 07:20:20,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:31,372 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 07:20:31,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:31,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543178166] [2024-11-07 07:20:31,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543178166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:31,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:31,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 07:20:31,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609194559] [2024-11-07 07:20:31,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:31,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 07:20:31,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 07:20:31,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:20:31,376 INFO L87 Difference]: Start difference. First operand 258 states and 405 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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 07:20:34,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:34,658 INFO L93 Difference]: Finished difference Result 431 states and 662 transitions. [2024-11-07 07:20:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 07:20:34,660 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:34,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:34,664 INFO L225 Difference]: With dead ends: 431 [2024-11-07 07:20:34,664 INFO L226 Difference]: Without dead ends: 339 [2024-11-07 07:20:34,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=220, Invalid=650, Unknown=0, NotChecked=0, Total=870 [2024-11-07 07:20:34,666 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 312 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:34,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1009 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 07:20:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-07 07:20:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 274. [2024-11-07 07:20:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 189 states have (on average 1.402116402116402) internal successors, (265), 189 states have internal predecessors, (265), 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 07:20:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 427 transitions. [2024-11-07 07:20:34,707 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 427 transitions. Word has length 175 [2024-11-07 07:20:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 427 transitions. [2024-11-07 07:20:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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 07:20:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 427 transitions. [2024-11-07 07:20:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 07:20:34,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:34,711 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] [2024-11-07 07:20:34,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:20:34,711 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:34,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:34,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1608561051, now seen corresponding path program 1 times [2024-11-07 07:20:34,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:34,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880096133] [2024-11-07 07:20:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:34,841 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 07:20:34,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:34,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880096133] [2024-11-07 07:20:34,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880096133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:34,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:34,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:20:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905845955] [2024-11-07 07:20:34,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:34,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:20:34,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:34,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:20:34,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:34,844 INFO L87 Difference]: Start difference. First operand 274 states and 427 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:34,891 INFO L93 Difference]: Finished difference Result 548 states and 860 transitions. [2024-11-07 07:20:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:20:34,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 175 [2024-11-07 07:20:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:34,895 INFO L225 Difference]: With dead ends: 548 [2024-11-07 07:20:34,895 INFO L226 Difference]: Without dead ends: 366 [2024-11-07 07:20:34,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:34,897 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 139 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:34,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 293 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:20:34,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-07 07:20:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2024-11-07 07:20:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 251 states have (on average 1.3904382470119523) internal successors, (349), 251 states have internal predecessors, (349), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:20:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 565 transitions. [2024-11-07 07:20:34,933 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 565 transitions. Word has length 175 [2024-11-07 07:20:34,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:34,934 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 565 transitions. [2024-11-07 07:20:34,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 07:20:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 565 transitions. [2024-11-07 07:20:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 07:20:34,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:34,936 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] [2024-11-07 07:20:34,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:20:34,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:34,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1257394045, now seen corresponding path program 1 times [2024-11-07 07:20:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:34,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359328920] [2024-11-07 07:20:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:35,180 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 07:20:35,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:35,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359328920] [2024-11-07 07:20:35,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359328920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:35,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:35,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:20:35,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804337295] [2024-11-07 07:20:35,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:35,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:20:35,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:35,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:20:35,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:35,182 INFO L87 Difference]: Start difference. First operand 364 states and 565 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 07:20:35,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:35,220 INFO L93 Difference]: Finished difference Result 652 states and 1012 transitions. [2024-11-07 07:20:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:20:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 176 [2024-11-07 07:20:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:35,224 INFO L225 Difference]: With dead ends: 652 [2024-11-07 07:20:35,224 INFO L226 Difference]: Without dead ends: 377 [2024-11-07 07:20:35,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:20:35,226 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:35,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 274 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:20:35,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-07 07:20:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 364. [2024-11-07 07:20:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 251 states have (on average 1.3745019920318724) internal successors, (345), 251 states have internal predecessors, (345), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:20:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 561 transitions. [2024-11-07 07:20:35,268 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 561 transitions. Word has length 176 [2024-11-07 07:20:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:35,269 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 561 transitions. [2024-11-07 07:20:35,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 07:20:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 561 transitions. [2024-11-07 07:20:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 07:20:35,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:35,271 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] [2024-11-07 07:20:35,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:20:35,272 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:35,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1262565889, now seen corresponding path program 1 times [2024-11-07 07:20:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:35,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078335485] [2024-11-07 07:20:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:35,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:41,104 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 07:20:41,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:41,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078335485] [2024-11-07 07:20:41,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078335485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:41,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:41,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 07:20:41,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524440928] [2024-11-07 07:20:41,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:41,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 07:20:41,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:41,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 07:20:41,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:20:41,107 INFO L87 Difference]: Start difference. First operand 364 states and 561 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:20:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:45,591 INFO L93 Difference]: Finished difference Result 692 states and 1048 transitions. [2024-11-07 07:20:45,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 07:20:45,592 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 176 [2024-11-07 07:20:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:45,598 INFO L225 Difference]: With dead ends: 692 [2024-11-07 07:20:45,599 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 07:20:45,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=279, Invalid=843, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 07:20:45,601 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 502 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:45,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 932 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 07:20:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 07:20:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 363. [2024-11-07 07:20:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 250 states have (on average 1.372) internal successors, (343), 250 states have internal predecessors, (343), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:20:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 559 transitions. [2024-11-07 07:20:45,654 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 559 transitions. Word has length 176 [2024-11-07 07:20:45,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:45,654 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 559 transitions. [2024-11-07 07:20:45,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:20:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 559 transitions. [2024-11-07 07:20:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 07:20:45,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:45,657 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] [2024-11-07 07:20:45,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 07:20:45,658 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:45,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:45,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1469551459, now seen corresponding path program 1 times [2024-11-07 07:20:45,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:45,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377438002] [2024-11-07 07:20:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:45,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:50,188 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 07:20:50,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:50,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377438002] [2024-11-07 07:20:50,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377438002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:50,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 07:20:50,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267156370] [2024-11-07 07:20:50,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:50,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 07:20:50,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:50,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 07:20:50,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:20:50,191 INFO L87 Difference]: Start difference. First operand 363 states and 559 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:20:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:52,506 INFO L93 Difference]: Finished difference Result 418 states and 621 transitions. [2024-11-07 07:20:52,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 07:20:52,507 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 176 [2024-11-07 07:20:52,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:52,511 INFO L225 Difference]: With dead ends: 418 [2024-11-07 07:20:52,511 INFO L226 Difference]: Without dead ends: 416 [2024-11-07 07:20:52,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2024-11-07 07:20:52,513 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 389 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:52,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 830 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:20:52,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-07 07:20:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 366. [2024-11-07 07:20:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 253 states have (on average 1.3715415019762847) internal successors, (347), 253 states have internal predecessors, (347), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:20:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 563 transitions. [2024-11-07 07:20:52,552 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 563 transitions. Word has length 176 [2024-11-07 07:20:52,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:52,553 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 563 transitions. [2024-11-07 07:20:52,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:20:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 563 transitions. [2024-11-07 07:20:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 07:20:52,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:52,556 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] [2024-11-07 07:20:52,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:20:52,556 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:52,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1706688612, now seen corresponding path program 1 times [2024-11-07 07:20:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:52,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111086884] [2024-11-07 07:20:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:52,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:20:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:20:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:20:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:20:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:20:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:20:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:20:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:20:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:58,391 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 07:20:58,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:58,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111086884] [2024-11-07 07:20:58,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111086884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:58,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:58,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 07:20:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404135125] [2024-11-07 07:20:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:58,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 07:20:58,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 07:20:58,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:20:58,394 INFO L87 Difference]: Start difference. First operand 366 states and 563 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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 07:21:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:21:03,526 INFO L93 Difference]: Finished difference Result 436 states and 642 transitions. [2024-11-07 07:21:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 07:21:03,527 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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 176 [2024-11-07 07:21:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:21:03,530 INFO L225 Difference]: With dead ends: 436 [2024-11-07 07:21:03,530 INFO L226 Difference]: Without dead ends: 434 [2024-11-07 07:21:03,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-07 07:21:03,532 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 349 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:21:03,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 826 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 07:21:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-07 07:21:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 376. [2024-11-07 07:21:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:21:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-07 07:21:03,568 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 176 [2024-11-07 07:21:03,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:21:03,568 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-07 07:21:03,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 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 07:21:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-07 07:21:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 07:21:03,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:21:03,574 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] [2024-11-07 07:21:03,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:21:03,575 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:21:03,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:21:03,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1026630242, now seen corresponding path program 1 times [2024-11-07 07:21:03,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:21:03,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667144300] [2024-11-07 07:21:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:21:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:21:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:21:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:21:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:21:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:21:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:21:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:21:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:21:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:21:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:21:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:21:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:21:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:21:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:21:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:21:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:21:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:21:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:21:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:21:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:21:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:21:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:21:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:21:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:21:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:21:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:21:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:21:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:21:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:08,006 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 07:21:08,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:21:08,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667144300] [2024-11-07 07:21:08,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667144300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:21:08,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:21:08,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 07:21:08,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158854820] [2024-11-07 07:21:08,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:21:08,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 07:21:08,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:21:08,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 07:21:08,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:21:08,008 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:21:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:21:13,585 INFO L93 Difference]: Finished difference Result 430 states and 636 transitions. [2024-11-07 07:21:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 07:21:13,586 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 176 [2024-11-07 07:21:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:21:13,590 INFO L225 Difference]: With dead ends: 430 [2024-11-07 07:21:13,590 INFO L226 Difference]: Without dead ends: 428 [2024-11-07 07:21:13,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2024-11-07 07:21:13,591 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 253 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 07:21:13,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1000 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 07:21:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-07 07:21:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 376. [2024-11-07 07:21:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:21:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-07 07:21:13,618 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 176 [2024-11-07 07:21:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:21:13,619 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-07 07:21:13,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 07:21:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-07 07:21:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 07:21:13,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:21:13,621 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] [2024-11-07 07:21:13,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:21:13,621 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:21:13,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:21:13,622 INFO L85 PathProgramCache]: Analyzing trace with hash -431334969, now seen corresponding path program 1 times [2024-11-07 07:21:13,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:21:13,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651856869] [2024-11-07 07:21:13,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:21:13,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:21:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:21:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:21:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:21:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:21:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:21:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:21:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:21:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:21:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:21:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:21:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:21:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:21:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:21:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:21:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:21:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:21:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:21:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:21:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:21:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:21:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:21:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:21:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:21:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:21:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:21:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:21:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:21:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:16,088 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 07:21:16,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:21:16,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651856869] [2024-11-07 07:21:16,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651856869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:21:16,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:21:16,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 07:21:16,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056039496] [2024-11-07 07:21:16,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:21:16,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 07:21:16,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:21:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 07:21:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-07 07:21:16,091 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 07:21:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:21:17,441 INFO L93 Difference]: Finished difference Result 418 states and 622 transitions. [2024-11-07 07:21:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 07:21:17,442 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 177 [2024-11-07 07:21:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:21:17,445 INFO L225 Difference]: With dead ends: 418 [2024-11-07 07:21:17,445 INFO L226 Difference]: Without dead ends: 416 [2024-11-07 07:21:17,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2024-11-07 07:21:17,446 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 338 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:21:17,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1105 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:21:17,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-07 07:21:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 373. [2024-11-07 07:21:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 260 states have (on average 1.3692307692307693) internal successors, (356), 260 states have internal predecessors, (356), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:21:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 572 transitions. [2024-11-07 07:21:17,473 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 572 transitions. Word has length 177 [2024-11-07 07:21:17,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:21:17,473 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 572 transitions. [2024-11-07 07:21:17,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 07:21:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 572 transitions. [2024-11-07 07:21:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 07:21:17,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:21:17,475 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] [2024-11-07 07:21:17,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 07:21:17,476 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:21:17,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:21:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash 248612454, now seen corresponding path program 1 times [2024-11-07 07:21:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:21:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596338223] [2024-11-07 07:21:17,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:21:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:21:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:21:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:21:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:21:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:21:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:21:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:21:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:21:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:21:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:21:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:21:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:21:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:21:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:21:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:21:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:21:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:21:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:21:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:21:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:21:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:21:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:21:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:21:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:21:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:21:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:21:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:21:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:21:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:19,902 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 07:21:19,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:21:19,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596338223] [2024-11-07 07:21:19,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596338223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:21:19,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:21:19,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 07:21:19,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954439569] [2024-11-07 07:21:19,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:21:19,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 07:21:19,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:21:19,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 07:21:19,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:21:19,904 INFO L87 Difference]: Start difference. First operand 373 states and 572 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 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 07:21:22,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:21:22,343 INFO L93 Difference]: Finished difference Result 438 states and 644 transitions. [2024-11-07 07:21:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 07:21:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 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 177 [2024-11-07 07:21:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:21:22,348 INFO L225 Difference]: With dead ends: 438 [2024-11-07 07:21:22,348 INFO L226 Difference]: Without dead ends: 436 [2024-11-07 07:21:22,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=387, Invalid=1019, Unknown=0, NotChecked=0, Total=1406 [2024-11-07 07:21:22,350 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 368 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 07:21:22,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 795 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 07:21:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-07 07:21:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 376. [2024-11-07 07:21:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:21:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-07 07:21:22,377 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 177 [2024-11-07 07:21:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:21:22,378 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-07 07:21:22,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 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 07:21:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-07 07:21:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 07:21:22,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:21:22,379 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] [2024-11-07 07:21:22,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 07:21:22,379 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:21:22,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:21:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1312390452, now seen corresponding path program 1 times [2024-11-07 07:21:22,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:21:22,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321592635] [2024-11-07 07:21:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:21:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:21:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:21:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:21:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:21:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:21:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:21:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:21:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:21:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:21:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:21:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:21:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:21:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:21:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:21:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:21:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:21:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:21:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:21:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:21:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:21:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:21:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:21:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:21:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:21:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:21:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 07:21:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:21:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:21:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:21:27,080 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 07:21:27,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:21:27,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321592635] [2024-11-07 07:21:27,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321592635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:21:27,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:21:27,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 07:21:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642526781] [2024-11-07 07:21:27,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:21:27,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 07:21:27,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:21:27,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 07:21:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-07 07:21:27,082 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 07:21:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:21:31,404 INFO L93 Difference]: Finished difference Result 434 states and 640 transitions. [2024-11-07 07:21:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 07:21:31,405 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 177 [2024-11-07 07:21:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:21:31,408 INFO L225 Difference]: With dead ends: 434 [2024-11-07 07:21:31,408 INFO L226 Difference]: Without dead ends: 432 [2024-11-07 07:21:31,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=314, Invalid=876, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 07:21:31,410 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 357 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:21:31,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 932 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 07:21:31,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-07 07:21:31,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 379. [2024-11-07 07:21:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 266 states have (on average 1.368421052631579) internal successors, (364), 266 states have internal predecessors, (364), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 07:21:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 580 transitions. [2024-11-07 07:21:31,441 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 580 transitions. Word has length 177 [2024-11-07 07:21:31,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:21:31,441 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 580 transitions. [2024-11-07 07:21:31,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 07:21:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 580 transitions. [2024-11-07 07:21:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 07:21:31,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:21:31,443 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] [2024-11-07 07:21:31,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 07:21:31,443 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:21:31,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:21:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash -144414556, now seen corresponding path program 1 times [2024-11-07 07:21:31,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:21:31,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715700287] [2024-11-07 07:21:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:21:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:21:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat