./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.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-pr-co_file-45.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', '015370476ab0be57d23c4c9221d205f96bedfe59bfdbdaa95d44f30adc7a621c'] 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-pr-co_file-45.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 015370476ab0be57d23c4c9221d205f96bedfe59bfdbdaa95d44f30adc7a621c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:42:02,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:42:02,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:42:02,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:42:02,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:42:02,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:42:02,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:42:02,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:42:02,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:42:02,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:42:02,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:42:02,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:42:02,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:42:02,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:42:02,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:42:02,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:42:02,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:42:02,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:42:02,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:42:02,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:42:02,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:42:02,659 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 -> 015370476ab0be57d23c4c9221d205f96bedfe59bfdbdaa95d44f30adc7a621c [2024-11-07 06:42:02,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:42:02,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:42:03,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:42:03,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:42:03,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:42:03,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-07 06:42:04,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:42:04,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:42:04,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-07 06:42:04,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05e18ea77/8d43598851a6480bb1ed9bd8aba21995/FLAG92aae14f1 [2024-11-07 06:42:05,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05e18ea77/8d43598851a6480bb1ed9bd8aba21995 [2024-11-07 06:42:05,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:42:05,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:42:05,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:42:05,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:42:05,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:42:05,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326fa0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05, skipping insertion in model container [2024-11-07 06:42:05,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:42:05,358 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-pr-co_file-45.i[919,932] [2024-11-07 06:42:05,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:42:05,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:42:05,455 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-pr-co_file-45.i[919,932] [2024-11-07 06:42:05,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:42:05,528 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:42:05,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05 WrapperNode [2024-11-07 06:42:05,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:42:05,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:42:05,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:42:05,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:42:05,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,612 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-11-07 06:42:05,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:42:05,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:42:05,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:42:05,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:42:05,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,676 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 06:42:05,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:42:05,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:42:05,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:42:05,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:42:05,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (1/1) ... [2024-11-07 06:42:05,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:42:05,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:42:05,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 06:42:05,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 06:42:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:42:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:42:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:42:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:42:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:42:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:42:05,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:42:05,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:42:06,296 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 06:42:06,296 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:42:06,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:42:06,307 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:42:06,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:06 BoogieIcfgContainer [2024-11-07 06:42:06,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:42:06,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:42:06,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:42:06,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:42:06,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:42:05" (1/3) ... [2024-11-07 06:42:06,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124a9b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:06, skipping insertion in model container [2024-11-07 06:42:06,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:05" (2/3) ... [2024-11-07 06:42:06,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124a9b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:06, skipping insertion in model container [2024-11-07 06:42:06,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:06" (3/3) ... [2024-11-07 06:42:06,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-07 06:42:06,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:42:06,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:42:06,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:42:06,387 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;@1f8085c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:42:06,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:42:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-07 06:42:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-07 06:42:06,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:06,407 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:06,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:06,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:06,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1560991719, now seen corresponding path program 1 times [2024-11-07 06:42:06,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:06,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683807395] [2024-11-07 06:42:06,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:06,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:42:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:42:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:42:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:42:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:42:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:42:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:42:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:42:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:42:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:42:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:42:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:42:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:42:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:42:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:42:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:42:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:42:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:42:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:42:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:42:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:42:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:42:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:42:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:42:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:06,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:42:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:42:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:42:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:42:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:42:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:42:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:42:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:42:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:42:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:42:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:42:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:42:07,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:42:07,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683807395] [2024-11-07 06:42:07,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683807395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:42:07,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:42:07,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:42:07,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131809046] [2024-11-07 06:42:07,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:42:07,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:42:07,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:42:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:42:07,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:42:07,114 INFO L87 Difference]: Start difference. First operand has 97 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:42:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:42:07,147 INFO L93 Difference]: Finished difference Result 187 states and 335 transitions. [2024-11-07 06:42:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:42:07,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 221 [2024-11-07 06:42:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:42:07,159 INFO L225 Difference]: With dead ends: 187 [2024-11-07 06:42:07,160 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 06:42:07,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:42:07,167 INFO L432 NwaCegarLoop]: 146 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, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:42:07,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:42:07,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 06:42:07,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-07 06:42:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-07 06:42:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-07 06:42:07,248 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 221 [2024-11-07 06:42:07,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:42:07,249 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-07 06:42:07,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:42:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-07 06:42:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-07 06:42:07,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:07,253 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:07,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:42:07,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:07,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:07,254 INFO L85 PathProgramCache]: Analyzing trace with hash 614549853, now seen corresponding path program 1 times [2024-11-07 06:42:07,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:07,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866434737] [2024-11-07 06:42:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:07,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:42:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:42:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:42:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:42:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:42:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:42:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:42:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:42:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:42:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:42:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:42:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:42:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:42:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:42:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:42:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:42:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:42:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:42:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:42:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:42:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:42:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:42:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:42:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:42:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:42:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:42:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:42:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:42:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:42:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:42:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:42:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:42:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:42:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:42:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:42:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:42:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:42:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866434737] [2024-11-07 06:42:07,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866434737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:42:07,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:42:07,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:42:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619838883] [2024-11-07 06:42:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:42:07,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:42:07,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:42:07,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:42:07,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:42:07,619 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:42:07,741 INFO L93 Difference]: Finished difference Result 268 states and 422 transitions. [2024-11-07 06:42:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:42:07,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 221 [2024-11-07 06:42:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:42:07,745 INFO L225 Difference]: With dead ends: 268 [2024-11-07 06:42:07,745 INFO L226 Difference]: Without dead ends: 178 [2024-11-07 06:42:07,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 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 06:42:07,750 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 128 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:42:07,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 266 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:42:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-07 06:42:07,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-07 06:42:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 103 states have internal predecessors, (133), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-07 06:42:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 273 transitions. [2024-11-07 06:42:07,790 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 273 transitions. Word has length 221 [2024-11-07 06:42:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:42:07,791 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 273 transitions. [2024-11-07 06:42:07,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 273 transitions. [2024-11-07 06:42:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-07 06:42:07,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:07,795 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:07,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:42:07,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:07,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:07,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1123405695, now seen corresponding path program 1 times [2024-11-07 06:42:07,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:07,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651639865] [2024-11-07 06:42:07,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:42:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:42:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:42:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:42:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:42:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:42:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:42:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:42:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:42:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:42:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:42:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:42:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:42:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:42:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:42:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:42:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:42:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:42:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:42:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:42:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:42:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:42:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:42:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:42:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:42:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:42:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:42:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:42:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:42:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:42:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:42:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:42:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:42:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:42:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:42:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:42:08,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:42:08,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651639865] [2024-11-07 06:42:08,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651639865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:42:08,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:42:08,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:42:08,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617490663] [2024-11-07 06:42:08,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:42:08,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:42:08,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:42:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:42:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:42:08,400 INFO L87 Difference]: Start difference. First operand 176 states and 273 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:42:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:42:08,540 INFO L93 Difference]: Finished difference Result 444 states and 693 transitions. [2024-11-07 06:42:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:42:08,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 223 [2024-11-07 06:42:08,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:42:08,545 INFO L225 Difference]: With dead ends: 444 [2024-11-07 06:42:08,545 INFO L226 Difference]: Without dead ends: 271 [2024-11-07 06:42:08,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:42:08,547 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 111 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:42:08,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 276 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:42:08,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-07 06:42:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 263. [2024-11-07 06:42:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 154 states have internal predecessors, (199), 105 states have call successors, (105), 3 states have call predecessors, (105), 3 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-07 06:42:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 409 transitions. [2024-11-07 06:42:08,589 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 409 transitions. Word has length 223 [2024-11-07 06:42:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:42:08,590 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 409 transitions. [2024-11-07 06:42:08,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-07 06:42:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 409 transitions. [2024-11-07 06:42:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-07 06:42:08,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:08,594 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:08,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:42:08,595 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:08,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:08,595 INFO L85 PathProgramCache]: Analyzing trace with hash -422341117, now seen corresponding path program 1 times [2024-11-07 06:42:08,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:08,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070043123] [2024-11-07 06:42:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:42:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:42:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:42:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:42:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:42:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:42:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:42:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:42:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:42:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:42:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:42:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:42:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:42:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:42:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:42:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:42:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:42:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:42:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:42:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:42:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:42:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:42:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:42:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:42:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:42:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:42:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:42:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:42:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:42:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:42:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:42:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:42:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:42:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:42:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:42:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:42:11,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:42:11,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070043123] [2024-11-07 06:42:11,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070043123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:42:11,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:42:11,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:42:11,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383664818] [2024-11-07 06:42:11,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:42:11,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:42:11,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:42:11,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:42:11,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:42:11,758 INFO L87 Difference]: Start difference. First operand 263 states and 409 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:42:12,185 INFO L93 Difference]: Finished difference Result 608 states and 931 transitions. [2024-11-07 06:42:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:42:12,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-11-07 06:42:12,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:42:12,191 INFO L225 Difference]: With dead ends: 608 [2024-11-07 06:42:12,191 INFO L226 Difference]: Without dead ends: 435 [2024-11-07 06:42:12,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:42:12,193 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 107 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:42:12,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 444 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 06:42:12,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-07 06:42:12,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 380. [2024-11-07 06:42:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 253 states have (on average 1.3636363636363635) internal successors, (345), 255 states have internal predecessors, (345), 121 states have call successors, (121), 5 states have call predecessors, (121), 5 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-07 06:42:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 587 transitions. [2024-11-07 06:42:12,253 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 587 transitions. Word has length 223 [2024-11-07 06:42:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:42:12,254 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 587 transitions. [2024-11-07 06:42:12,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 587 transitions. [2024-11-07 06:42:12,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-07 06:42:12,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:12,257 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:12,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:42:12,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:12,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:12,258 INFO L85 PathProgramCache]: Analyzing trace with hash -680506555, now seen corresponding path program 1 times [2024-11-07 06:42:12,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564402879] [2024-11-07 06:42:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:12,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:42:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:42:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:42:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:42:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:42:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:42:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:42:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:42:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:42:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:42:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:42:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:42:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:42:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:42:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:42:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:42:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:42:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:42:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:42:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:42:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:42:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:42:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:42:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:42:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:42:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:42:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:42:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:42:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:42:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:42:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:42:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:42:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:42:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:42:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:42:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:42:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:42:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:42:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564402879] [2024-11-07 06:42:26,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564402879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:42:26,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:42:26,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:42:26,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270514826] [2024-11-07 06:42:26,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:42:26,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:42:26,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:42:26,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:42:26,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:42:26,211 INFO L87 Difference]: Start difference. First operand 380 states and 587 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:42:26,953 INFO L93 Difference]: Finished difference Result 698 states and 1067 transitions. [2024-11-07 06:42:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:42:26,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-11-07 06:42:26,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:42:26,962 INFO L225 Difference]: With dead ends: 698 [2024-11-07 06:42:26,963 INFO L226 Difference]: Without dead ends: 435 [2024-11-07 06:42:26,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:42:26,965 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 101 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:42:26,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 567 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 06:42:26,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-07 06:42:27,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 369. [2024-11-07 06:42:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 242 states have (on average 1.3553719008264462) internal successors, (328), 244 states have internal predecessors, (328), 121 states have call successors, (121), 5 states have call predecessors, (121), 5 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-07 06:42:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 570 transitions. [2024-11-07 06:42:27,023 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 570 transitions. Word has length 223 [2024-11-07 06:42:27,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:42:27,024 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 570 transitions. [2024-11-07 06:42:27,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:42:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 570 transitions. [2024-11-07 06:42:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-07 06:42:27,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:42:27,027 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:42:27,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:42:27,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:42:27,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:42:27,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1820515447, now seen corresponding path program 1 times [2024-11-07 06:42:27,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:42:27,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892718171] [2024-11-07 06:42:27,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:42:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:42:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:43:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:43:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:43:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:43:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:43:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:43:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:43:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:43:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:43:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:43:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:43:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:43:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:43:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:43:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:43:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:43:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:43:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:43:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:43:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:43:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 06:43:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 06:43:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 06:43:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 06:43:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 06:43:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 06:43:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 06:43:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 06:43:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 06:43:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 06:43:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:43:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 06:43:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:43:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 06:43:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:43:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:43:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-07 06:43:08,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:43:08,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892718171] [2024-11-07 06:43:08,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892718171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:43:08,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:43:08,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 06:43:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369189879] [2024-11-07 06:43:08,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:43:08,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 06:43:08,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:43:08,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 06:43:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:43:08,908 INFO L87 Difference]: Start difference. First operand 369 states and 570 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:43:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:43:14,153 INFO L93 Difference]: Finished difference Result 767 states and 1150 transitions. [2024-11-07 06:43:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 06:43:14,154 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-11-07 06:43:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:43:14,159 INFO L225 Difference]: With dead ends: 767 [2024-11-07 06:43:14,159 INFO L226 Difference]: Without dead ends: 510 [2024-11-07 06:43:14,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-07 06:43:14,161 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 304 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 06:43:14,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 911 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 06:43:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-07 06:43:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 475. [2024-11-07 06:43:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 339 states have (on average 1.359882005899705) internal successors, (461), 343 states have internal predecessors, (461), 125 states have call successors, (125), 10 states have call predecessors, (125), 10 states have return successors, (125), 121 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-07 06:43:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 711 transitions. [2024-11-07 06:43:14,224 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 711 transitions. Word has length 223 [2024-11-07 06:43:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:43:14,225 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 711 transitions. [2024-11-07 06:43:14,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-07 06:43:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 711 transitions. [2024-11-07 06:43:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-07 06:43:14,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:43:14,228 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:43:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 06:43:14,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:43:14,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:43:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1773387271, now seen corresponding path program 1 times [2024-11-07 06:43:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:43:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491719402] [2024-11-07 06:43:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:43:14,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:43:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat