./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:19:45,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:19:45,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:19:45,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:19:45,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:19:45,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:19:45,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:19:45,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:19:45,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:19:45,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:19:45,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:19:45,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:19:45,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:19:45,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:19:45,175 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:19:45,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:19:45,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:19:45,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:19:45,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:19:45,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:19:45,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:19:45,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:19:45,178 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 -> efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 [2024-11-07 07:19:45,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:19:45,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:19:45,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:19:45,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:19:45,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:19:45,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-07 07:19:46,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:19:47,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:19:47,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-07 07:19:47,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0ef7f26eb/2af43a6a7e1a4b679e1f7b8e1867c5e1/FLAG7fe989dc7 [2024-11-07 07:19:47,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0ef7f26eb/2af43a6a7e1a4b679e1f7b8e1867c5e1 [2024-11-07 07:19:47,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:19:47,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:19:47,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:19:47,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:19:47,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:19:47,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfd6a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47, skipping insertion in model container [2024-11-07 07:19:47,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:19:47,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i[919,932] [2024-11-07 07:19:47,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:19:47,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:19:47,648 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i[919,932] [2024-11-07 07:19:47,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:19:47,723 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:19:47,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47 WrapperNode [2024-11-07 07:19:47,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:19:47,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:19:47,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:19:47,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:19:47,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,824 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-11-07 07:19:47,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:19:47,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:19:47,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:19:47,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:19:47,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,882 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:19:47,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:19:47,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:19:47,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:19:47,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:19:47,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (1/1) ... [2024-11-07 07:19:47,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:19:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:19:47,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:19:47,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:19:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:19:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:19:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:19:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:19:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:19:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:19:48,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:19:48,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:19:48,841 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 07:19:48,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:19:48,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:19:48,861 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:19:48,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:48 BoogieIcfgContainer [2024-11-07 07:19:48,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:19:48,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:19:48,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:19:48,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:19:48,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:19:47" (1/3) ... [2024-11-07 07:19:48,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521c1e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:48, skipping insertion in model container [2024-11-07 07:19:48,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:47" (2/3) ... [2024-11-07 07:19:48,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521c1e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:48, skipping insertion in model container [2024-11-07 07:19:48,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:48" (3/3) ... [2024-11-07 07:19:48,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-07 07:19:48,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:19:48,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:19:48,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:19:48,971 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;@52d34eb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:19:48,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:19:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 07:19:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 07:19:49,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:49,002 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:49,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:49,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash -741077870, now seen corresponding path program 1 times [2024-11-07 07:19:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450159738] [2024-11-07 07:19:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:19:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:19:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:19:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:19:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:19:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:19:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:19:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:19:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:19:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:19:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:19:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:19:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:19:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:19:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:19:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:19:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:19:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:19:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:19:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:19:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:19:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:19:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:19:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:19:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:19:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:19:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:19:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:19:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:19:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:19:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:19:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:19:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:19:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:19:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:19:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:19:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:19:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:19:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:19:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:19:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:19:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:19:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:19:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:19:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:19:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:19:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:19:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:19:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:19:49,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:19:49,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450159738] [2024-11-07 07:19:49,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450159738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:19:49,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:19:49,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:19:49,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81397362] [2024-11-07 07:19:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:19:49,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:19:49,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:19:49,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:19:49,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:19:49,896 INFO L87 Difference]: Start difference. First operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:19:49,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:19:49,940 INFO L93 Difference]: Finished difference Result 255 states and 462 transitions. [2024-11-07 07:19:49,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:19:49,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-07 07:19:49,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:19:49,950 INFO L225 Difference]: With dead ends: 255 [2024-11-07 07:19:49,951 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 07:19:49,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:19:49,960 INFO L432 NwaCegarLoop]: 203 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, 203 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:19:49,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:19:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 07:19:50,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-07 07:19:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 07:19:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 203 transitions. [2024-11-07 07:19:50,035 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 203 transitions. Word has length 295 [2024-11-07 07:19:50,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:19:50,036 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 203 transitions. [2024-11-07 07:19:50,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:19:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2024-11-07 07:19:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 07:19:50,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:50,044 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:50,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:19:50,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:50,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1251433866, now seen corresponding path program 1 times [2024-11-07 07:19:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361781658] [2024-11-07 07:19:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:50,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:19:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:19:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:19:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:19:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:19:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:19:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:19:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:19:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:19:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:19:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:19:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:19:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:19:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:19:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:19:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:19:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:19:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:19:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:19:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:19:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:19:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:19:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:19:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:19:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:19:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:19:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:19:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:19:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:19:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:19:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:19:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:19:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:19:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:19:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:19:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:19:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:19:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:19:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:19:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:19:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:19:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:19:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:19:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:19:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:19:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:19:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:19:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:19:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:19:50,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:19:50,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361781658] [2024-11-07 07:19:50,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361781658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:19:50,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:19:50,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:19:50,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714614698] [2024-11-07 07:19:50,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:19:50,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:19:50,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:19:50,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:19:50,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:19:50,755 INFO L87 Difference]: Start difference. First operand 127 states and 203 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:50,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:19:50,853 INFO L93 Difference]: Finished difference Result 358 states and 579 transitions. [2024-11-07 07:19:50,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:19:50,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-07 07:19:50,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:19:50,860 INFO L225 Difference]: With dead ends: 358 [2024-11-07 07:19:50,860 INFO L226 Difference]: Without dead ends: 234 [2024-11-07 07:19:50,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:19:50,863 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 92 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:19:50,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:19:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-07 07:19:50,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 219. [2024-11-07 07:19:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 07:19:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 351 transitions. [2024-11-07 07:19:50,921 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 351 transitions. Word has length 295 [2024-11-07 07:19:50,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:19:50,924 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 351 transitions. [2024-11-07 07:19:50,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 351 transitions. [2024-11-07 07:19:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 07:19:50,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:50,935 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:50,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:19:50,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:50,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:50,936 INFO L85 PathProgramCache]: Analyzing trace with hash -729029896, now seen corresponding path program 1 times [2024-11-07 07:19:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070434208] [2024-11-07 07:19:50,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:19:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:19:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:19:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:19:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:19:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:19:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:19:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:19:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:19:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:19:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:19:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:19:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:19:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:19:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:19:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:19:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:19:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:19:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:19:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:19:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:19:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:19:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:19:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:19:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:19:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:19:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:19:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:19:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:19:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:19:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:19:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:19:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:19:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:19:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:19:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:19:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:19:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:19:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:19:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:19:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:19:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:19:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:19:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:19:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:19:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:19:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:19:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:19:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:19:51,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:19:51,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070434208] [2024-11-07 07:19:51,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070434208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:19:51,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:19:51,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:19:51,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895695224] [2024-11-07 07:19:51,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:19:51,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:19:51,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:19:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:19:51,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:19:51,930 INFO L87 Difference]: Start difference. First operand 219 states and 351 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:19:52,266 INFO L93 Difference]: Finished difference Result 357 states and 575 transitions. [2024-11-07 07:19:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:19:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 296 [2024-11-07 07:19:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:19:52,273 INFO L225 Difference]: With dead ends: 357 [2024-11-07 07:19:52,276 INFO L226 Difference]: Without dead ends: 230 [2024-11-07 07:19:52,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:19:52,278 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 85 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:19:52,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 451 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:19:52,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-07 07:19:52,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 220. [2024-11-07 07:19:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 121 states have (on average 1.322314049586777) internal successors, (160), 121 states have internal predecessors, (160), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 07:19:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 352 transitions. [2024-11-07 07:19:52,347 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 352 transitions. Word has length 296 [2024-11-07 07:19:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:19:52,348 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 352 transitions. [2024-11-07 07:19:52,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 352 transitions. [2024-11-07 07:19:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 07:19:52,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:52,352 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:52,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:19:52,352 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:52,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1144945132, now seen corresponding path program 1 times [2024-11-07 07:19:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:52,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454665408] [2024-11-07 07:19:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:19:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:19:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:19:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:19:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:19:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:19:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:19:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:19:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:19:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:19:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:19:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:19:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:19:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:19:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:19:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:19:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:19:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:19:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:19:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:19:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:19:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:19:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:19:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:19:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:19:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:19:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:19:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:19:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:19:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:19:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:19:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:19:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:53,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:19:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:19:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:19:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:19:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:19:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:19:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:19:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:19:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:19:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:19:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:19:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:19:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:19:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:19:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:19:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:19:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:19:54,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:19:54,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454665408] [2024-11-07 07:19:54,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454665408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:19:54,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:19:54,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 07:19:54,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467365948] [2024-11-07 07:19:54,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:19:54,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 07:19:54,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:19:54,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 07:19:54,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 07:19:54,166 INFO L87 Difference]: Start difference. First operand 220 states and 352 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:19:55,072 INFO L93 Difference]: Finished difference Result 377 states and 603 transitions. [2024-11-07 07:19:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 07:19:55,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-07 07:19:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:19:55,078 INFO L225 Difference]: With dead ends: 377 [2024-11-07 07:19:55,078 INFO L226 Difference]: Without dead ends: 253 [2024-11-07 07:19:55,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:19:55,080 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 204 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 07:19:55,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 730 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 07:19:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-07 07:19:55,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 232. [2024-11-07 07:19:55,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 133 states have internal predecessors, (180), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 07:19:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 372 transitions. [2024-11-07 07:19:55,138 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 372 transitions. Word has length 297 [2024-11-07 07:19:55,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:19:55,140 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 372 transitions. [2024-11-07 07:19:55,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:19:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 372 transitions. [2024-11-07 07:19:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 07:19:55,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:55,144 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:55,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:19:55,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:55,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash 886779694, now seen corresponding path program 1 times [2024-11-07 07:19:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:55,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107315833] [2024-11-07 07:19:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:55,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:19:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:19:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:19:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:19:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:19:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:19:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:19:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:19:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:19:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:19:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:19:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:19:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:19:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:19:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:19:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:19:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:19:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:19:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:19:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:19:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:19:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:19:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:19:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:19:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:19:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:19:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:19:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:19:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:19:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:19:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:19:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:19:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:19:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:19:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:19:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:19:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:19:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:19:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:19:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:19:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:19:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:19:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:19:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:19:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:19:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:19:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:19:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:19:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:19:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:19:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:19:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107315833] [2024-11-07 07:19:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107315833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:19:56,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:19:56,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 07:19:56,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500578871] [2024-11-07 07:19:56,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:19:56,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 07:19:56,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:19:56,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 07:19:56,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 07:19:56,366 INFO L87 Difference]: Start difference. First operand 232 states and 372 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:19:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:19:57,076 INFO L93 Difference]: Finished difference Result 378 states and 609 transitions. [2024-11-07 07:19:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:19:57,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-07 07:19:57,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:19:57,079 INFO L225 Difference]: With dead ends: 378 [2024-11-07 07:19:57,079 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 07:19:57,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 07:19:57,082 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 137 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:19:57,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 681 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:19:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 07:19:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2024-11-07 07:19:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 137 states have (on average 1.3576642335766422) internal successors, (186), 137 states have internal predecessors, (186), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 07:19:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 378 transitions. [2024-11-07 07:19:57,147 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 378 transitions. Word has length 297 [2024-11-07 07:19:57,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:19:57,147 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 378 transitions. [2024-11-07 07:19:57,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:19:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2024-11-07 07:19:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 07:19:57,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:19:57,151 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:19:57,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:19:57,151 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:19:57,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:19:57,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1414042896, now seen corresponding path program 1 times [2024-11-07 07:19:57,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:19:57,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981169799] [2024-11-07 07:19:57,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:19:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:19:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:08,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:09,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:09,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981169799] [2024-11-07 07:20:09,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981169799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:09,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:09,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:20:09,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150089416] [2024-11-07 07:20:09,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:09,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:20:09,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:20:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:20:09,033 INFO L87 Difference]: Start difference. First operand 236 states and 378 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:11,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:11,985 INFO L93 Difference]: Finished difference Result 467 states and 728 transitions. [2024-11-07 07:20:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:20:11,986 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-07 07:20:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:11,989 INFO L225 Difference]: With dead ends: 467 [2024-11-07 07:20:11,989 INFO L226 Difference]: Without dead ends: 343 [2024-11-07 07:20:11,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-07 07:20:11,991 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 676 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:11,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 963 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 07:20:11,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-07 07:20:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 249. [2024-11-07 07:20:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 150 states have (on average 1.3666666666666667) internal successors, (205), 150 states have internal predecessors, (205), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 07:20:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 397 transitions. [2024-11-07 07:20:12,038 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 397 transitions. Word has length 297 [2024-11-07 07:20:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:12,039 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 397 transitions. [2024-11-07 07:20:12,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:12,039 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 397 transitions. [2024-11-07 07:20:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 07:20:12,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:12,044 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:12,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:20:12,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1807069906, now seen corresponding path program 1 times [2024-11-07 07:20:12,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651219581] [2024-11-07 07:20:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:12,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:12,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651219581] [2024-11-07 07:20:12,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651219581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:12,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:12,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:20:12,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328779405] [2024-11-07 07:20:12,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:12,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:20:12,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:12,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:20:12,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:20:12,430 INFO L87 Difference]: Start difference. First operand 249 states and 397 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:12,513 INFO L93 Difference]: Finished difference Result 410 states and 648 transitions. [2024-11-07 07:20:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:20:12,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-07 07:20:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:12,517 INFO L225 Difference]: With dead ends: 410 [2024-11-07 07:20:12,517 INFO L226 Difference]: Without dead ends: 286 [2024-11-07 07:20:12,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:20:12,521 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 42 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:12,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 599 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:20:12,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-07 07:20:12,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2024-11-07 07:20:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 179 states have (on average 1.3575418994413408) internal successors, (243), 180 states have internal predecessors, (243), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 443 transitions. [2024-11-07 07:20:12,572 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 443 transitions. Word has length 297 [2024-11-07 07:20:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 443 transitions. [2024-11-07 07:20:12,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 443 transitions. [2024-11-07 07:20:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 07:20:12,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:12,579 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:12,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:20:12,580 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:12,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash -712978318, now seen corresponding path program 1 times [2024-11-07 07:20:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:12,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322366930] [2024-11-07 07:20:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322366930] [2024-11-07 07:20:21,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322366930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:21,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:21,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:20:21,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526079824] [2024-11-07 07:20:21,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:21,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:20:21,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:21,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:20:21,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:20:21,163 INFO L87 Difference]: Start difference. First operand 283 states and 443 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:22,449 INFO L93 Difference]: Finished difference Result 479 states and 741 transitions. [2024-11-07 07:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:20:22,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-07 07:20:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:22,457 INFO L225 Difference]: With dead ends: 479 [2024-11-07 07:20:22,457 INFO L226 Difference]: Without dead ends: 323 [2024-11-07 07:20:22,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:20:22,458 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 115 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:22,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 965 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 07:20:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-07 07:20:22,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 281. [2024-11-07 07:20:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 178 states have internal predecessors, (241), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 441 transitions. [2024-11-07 07:20:22,502 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 441 transitions. Word has length 297 [2024-11-07 07:20:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:22,503 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 441 transitions. [2024-11-07 07:20:22,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2024-11-07 07:20:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 07:20:22,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:22,508 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:22,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 07:20:22,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:22,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash 222382064, now seen corresponding path program 1 times [2024-11-07 07:20:22,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:22,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418680116] [2024-11-07 07:20:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:22,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:28,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:28,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418680116] [2024-11-07 07:20:28,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418680116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:28,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:28,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:20:28,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937071849] [2024-11-07 07:20:28,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:28,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:20:28,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:28,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:20:28,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:20:28,283 INFO L87 Difference]: Start difference. First operand 281 states and 441 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:30,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:30,614 INFO L93 Difference]: Finished difference Result 647 states and 978 transitions. [2024-11-07 07:20:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:20:30,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-07 07:20:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:30,620 INFO L225 Difference]: With dead ends: 647 [2024-11-07 07:20:30,621 INFO L226 Difference]: Without dead ends: 481 [2024-11-07 07:20:30,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-07 07:20:30,623 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 564 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:30,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1422 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 07:20:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-07 07:20:30,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 286. [2024-11-07 07:20:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 182 states have (on average 1.3681318681318682) internal successors, (249), 183 states have internal predecessors, (249), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 449 transitions. [2024-11-07 07:20:30,672 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 449 transitions. Word has length 298 [2024-11-07 07:20:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:30,672 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 449 transitions. [2024-11-07 07:20:30,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 449 transitions. [2024-11-07 07:20:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 07:20:30,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:30,675 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:30,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:20:30,676 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:30,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:30,676 INFO L85 PathProgramCache]: Analyzing trace with hash -170644946, now seen corresponding path program 1 times [2024-11-07 07:20:30,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:30,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444965975] [2024-11-07 07:20:30,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:30,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:37,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444965975] [2024-11-07 07:20:37,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444965975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:37,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:20:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861740052] [2024-11-07 07:20:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:37,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:20:37,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:37,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:20:37,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:20:37,882 INFO L87 Difference]: Start difference. First operand 286 states and 449 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:40,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:40,483 INFO L93 Difference]: Finished difference Result 615 states and 934 transitions. [2024-11-07 07:20:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 07:20:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-07 07:20:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:40,489 INFO L225 Difference]: With dead ends: 615 [2024-11-07 07:20:40,489 INFO L226 Difference]: Without dead ends: 449 [2024-11-07 07:20:40,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-07 07:20:40,494 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 419 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:40,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1453 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 07:20:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-07 07:20:40,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 294. [2024-11-07 07:20:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 190 states have (on average 1.368421052631579) internal successors, (260), 191 states have internal predecessors, (260), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-07 07:20:40,536 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 298 [2024-11-07 07:20:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:40,536 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-07 07:20:40,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-07 07:20:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 07:20:40,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:40,540 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:40,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:20:40,540 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:40,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash 923446642, now seen corresponding path program 1 times [2024-11-07 07:20:40,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:40,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51305889] [2024-11-07 07:20:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:45,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:45,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51305889] [2024-11-07 07:20:45,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51305889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:45,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:45,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:20:45,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780908779] [2024-11-07 07:20:45,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:45,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:20:45,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:45,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:20:45,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:20:45,545 INFO L87 Difference]: Start difference. First operand 294 states and 460 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:50,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:50,253 INFO L93 Difference]: Finished difference Result 640 states and 964 transitions. [2024-11-07 07:20:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 07:20:50,254 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-07 07:20:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:50,259 INFO L225 Difference]: With dead ends: 640 [2024-11-07 07:20:50,259 INFO L226 Difference]: Without dead ends: 474 [2024-11-07 07:20:50,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-07 07:20:50,261 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 486 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:50,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1000 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 07:20:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-07 07:20:50,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 295. [2024-11-07 07:20:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.3717277486910995) internal successors, (262), 192 states have internal predecessors, (262), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 462 transitions. [2024-11-07 07:20:50,312 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 462 transitions. Word has length 298 [2024-11-07 07:20:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:50,312 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 462 transitions. [2024-11-07 07:20:50,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 07:20:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 462 transitions. [2024-11-07 07:20:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 07:20:50,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:50,316 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:50,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:20:50,317 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:50,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash 530419632, now seen corresponding path program 1 times [2024-11-07 07:20:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:50,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101256166] [2024-11-07 07:20:50,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:50,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:20:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:20:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:20:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:20:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:20:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:20:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:20:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:20:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:20:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:20:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:20:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:20:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:20:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:20:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:20:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:20:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:20:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:20:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:20:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:20:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:20:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:20:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:20:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:20:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:20:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:20:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:20:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:20:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:20:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:20:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:20:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:20:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:20:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:20:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:20:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:20:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:20:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:20:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:20:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:20:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:20:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:20:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:20:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:20:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:20:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 07:20:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 07:20:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 07:20:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:20:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:20:55,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:20:55,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101256166] [2024-11-07 07:20:55,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101256166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:20:55,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:20:55,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:20:55,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118873941] [2024-11-07 07:20:55,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:20:55,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:20:55,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:20:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:20:55,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:20:55,574 INFO L87 Difference]: Start difference. First operand 295 states and 462 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:20:57,218 INFO L93 Difference]: Finished difference Result 587 states and 895 transitions. [2024-11-07 07:20:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:20:57,220 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-07 07:20:57,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:20:57,224 INFO L225 Difference]: With dead ends: 587 [2024-11-07 07:20:57,224 INFO L226 Difference]: Without dead ends: 421 [2024-11-07 07:20:57,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-07 07:20:57,226 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 491 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:20:57,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 957 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:20:57,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-07 07:20:57,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 294. [2024-11-07 07:20:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 190 states have (on average 1.368421052631579) internal successors, (260), 191 states have internal predecessors, (260), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 07:20:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-07 07:20:57,269 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 298 [2024-11-07 07:20:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:20:57,269 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-07 07:20:57,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 07:20:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-07 07:20:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-07 07:20:57,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:20:57,272 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:20:57,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 07:20:57,272 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:20:57,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:20:57,272 INFO L85 PathProgramCache]: Analyzing trace with hash -788735186, now seen corresponding path program 1 times [2024-11-07 07:20:57,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:20:57,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090307906] [2024-11-07 07:20:57,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:20:57,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:20:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat