./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.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_fillercodesize_ps-cn-25_file-64.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', '25397797dfc35333634a0be2aab10e78ef32d1e201aaa39bb0855cdf971464ab'] 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_fillercodesize_ps-cn-25_file-64.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 25397797dfc35333634a0be2aab10e78ef32d1e201aaa39bb0855cdf971464ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:18:28,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:18:28,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:18:28,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:18:28,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:18:28,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:18:28,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:18:28,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:18:28,868 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:18:28,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:18:28,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:18:28,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:18:28,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:18:28,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:18:28,868 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:18:28,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:18:28,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:18:28,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:18:28,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:18:28,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:18:28,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:18:28,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:18:28,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:18:28,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:18:28,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:18:28,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:18:28,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:18:28,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:18:28,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:18:28,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:18:28,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:18:28,874 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 -> 25397797dfc35333634a0be2aab10e78ef32d1e201aaa39bb0855cdf971464ab [2024-11-07 05:18:29,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:18:29,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:18:29,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:18:29,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:18:29,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:18:29,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i [2024-11-07 05:18:30,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:18:30,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:18:30,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-64.i [2024-11-07 05:18:30,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4d412ee5a/822c741116ba42269a9340e4e8ba65cf/FLAG18b0e015a [2024-11-07 05:18:30,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4d412ee5a/822c741116ba42269a9340e4e8ba65cf [2024-11-07 05:18:30,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:18:30,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:18:30,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:18:30,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:18:30,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:18:30,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:18:30" (1/1) ... [2024-11-07 05:18:30,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657d229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:30, skipping insertion in model container [2024-11-07 05:18:30,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:18:30" (1/1) ... [2024-11-07 05:18:30,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:18:30,931 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_fillercodesize_ps-cn-25_file-64.i[915,928] [2024-11-07 05:18:31,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:18:31,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:18:31,031 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_fillercodesize_ps-cn-25_file-64.i[915,928] [2024-11-07 05:18:31,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:18:31,101 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:18:31,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31 WrapperNode [2024-11-07 05:18:31,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:18:31,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:18:31,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:18:31,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:18:31,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,160 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2024-11-07 05:18:31,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:18:31,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:18:31,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:18:31,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:18:31,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,205 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 05:18:31,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:18:31,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:18:31,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:18:31,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:18:31,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (1/1) ... [2024-11-07 05:18:31,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:18:31,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:18:31,269 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 05:18:31,276 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 05:18:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:18:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:18:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:18:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:18:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:18:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:18:31,389 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:18:31,391 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:18:31,767 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 05:18:31,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:18:31,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:18:31,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:18:31,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:18:31 BoogieIcfgContainer [2024-11-07 05:18:31,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:18:31,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:18:31,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:18:31,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:18:31,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:18:30" (1/3) ... [2024-11-07 05:18:31,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5785edf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:18:31, skipping insertion in model container [2024-11-07 05:18:31,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:18:31" (2/3) ... [2024-11-07 05:18:31,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5785edf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:18:31, skipping insertion in model container [2024-11-07 05:18:31,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:18:31" (3/3) ... [2024-11-07 05:18:31,789 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-64.i [2024-11-07 05:18:31,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:18:31,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:18:31,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:18:31,867 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;@3d0af504, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:18:31,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:18:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-07 05:18:31,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:31,894 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:31,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:31,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash 676670769, now seen corresponding path program 1 times [2024-11-07 05:18:31,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:31,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946215668] [2024-11-07 05:18:31,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:31,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:18:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:18:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:18:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:18:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:18:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:18:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:18:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:18:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:18:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:18:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:18:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:18:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:18:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:18:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:18:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:18:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:18:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:18:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:18:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:18:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:18:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:18:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:18:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:18:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:18:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:18:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:18:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:18:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:18:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:18:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:18:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:18:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:18:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:18:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:18:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:18:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:18:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:18:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:18:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:18:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 05:18:32,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:18:32,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946215668] [2024-11-07 05:18:32,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946215668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:18:32,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:18:32,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:18:32,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27080801] [2024-11-07 05:18:32,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:18:32,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:18:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:18:32,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:18:32,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:18:32,533 INFO L87 Difference]: Start difference. First operand has 106 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 05:18:32,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:18:32,571 INFO L93 Difference]: Finished difference Result 205 states and 366 transitions. [2024-11-07 05:18:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:18:32,573 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 247 [2024-11-07 05:18:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:18:32,580 INFO L225 Difference]: With dead ends: 205 [2024-11-07 05:18:32,580 INFO L226 Difference]: Without dead ends: 102 [2024-11-07 05:18:32,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 05:18:32,588 INFO L432 NwaCegarLoop]: 158 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, 158 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 05:18:32,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:18:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-07 05:18:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-07 05:18:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-07 05:18:32,650 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 247 [2024-11-07 05:18:32,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:18:32,650 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-07 05:18:32,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-07 05:18:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-07 05:18:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-07 05:18:32,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:32,657 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:32,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:18:32,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:32,660 INFO L85 PathProgramCache]: Analyzing trace with hash 611966061, now seen corresponding path program 1 times [2024-11-07 05:18:32,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:32,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559891030] [2024-11-07 05:18:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:18:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:18:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:18:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:18:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:18:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:18:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:18:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:18:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:18:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:18:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:18:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:18:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:18:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:18:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:18:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:18:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:18:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:18:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:18:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:18:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:18:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:18:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:18:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:18:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:18:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:18:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:18:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:18:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:18:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:18:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:18:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:18:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:18:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:18:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:18:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:18:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:18:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:18:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:18:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:18:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 05:18:33,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:18:33,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559891030] [2024-11-07 05:18:33,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559891030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:18:33,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:18:33,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:18:33,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409878581] [2024-11-07 05:18:33,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:18:33,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:18:33,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:18:33,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:18:33,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:18:33,367 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:18:33,751 INFO L93 Difference]: Finished difference Result 309 states and 476 transitions. [2024-11-07 05:18:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:18:33,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-07 05:18:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:18:33,757 INFO L225 Difference]: With dead ends: 309 [2024-11-07 05:18:33,757 INFO L226 Difference]: Without dead ends: 210 [2024-11-07 05:18:33,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:18:33,759 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 159 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:18:33,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 876 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:18:33,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-07 05:18:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 106. [2024-11-07 05:18:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 164 transitions. [2024-11-07 05:18:33,788 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 164 transitions. Word has length 247 [2024-11-07 05:18:33,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:18:33,790 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 164 transitions. [2024-11-07 05:18:33,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:33,790 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2024-11-07 05:18:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-07 05:18:33,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:33,811 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:33,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:18:33,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:33,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash -197380565, now seen corresponding path program 1 times [2024-11-07 05:18:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:33,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549816670] [2024-11-07 05:18:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:18:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:18:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:18:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:18:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:18:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:18:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:18:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:18:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:18:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:18:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:18:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:18:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:18:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:18:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:18:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:18:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:18:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:18:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:18:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:18:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:18:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:18:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:18:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:18:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:18:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:18:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:18:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:18:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:18:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:18:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:18:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:18:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:18:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:18:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:18:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:18:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:18:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:18:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:18:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:18:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 05:18:39,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:18:39,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549816670] [2024-11-07 05:18:39,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549816670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:18:39,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:18:39,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:18:39,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040498231] [2024-11-07 05:18:39,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:18:39,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:18:39,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:18:39,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:18:39,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:18:39,223 INFO L87 Difference]: Start difference. First operand 106 states and 164 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:18:39,588 INFO L93 Difference]: Finished difference Result 308 states and 473 transitions. [2024-11-07 05:18:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:18:39,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-07 05:18:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:18:39,593 INFO L225 Difference]: With dead ends: 308 [2024-11-07 05:18:39,594 INFO L226 Difference]: Without dead ends: 205 [2024-11-07 05:18:39,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:18:39,597 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 160 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:18:39,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 733 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:18:39,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-07 05:18:39,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 106. [2024-11-07 05:18:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 164 transitions. [2024-11-07 05:18:39,620 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 164 transitions. Word has length 247 [2024-11-07 05:18:39,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:18:39,621 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 164 transitions. [2024-11-07 05:18:39,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2024-11-07 05:18:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-07 05:18:39,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:39,626 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:39,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:18:39,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 94813037, now seen corresponding path program 1 times [2024-11-07 05:18:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370032878] [2024-11-07 05:18:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:18:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:18:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:18:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:18:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:18:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:18:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:18:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:18:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:18:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:18:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:18:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:18:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:18:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:18:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:18:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:18:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:18:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:18:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:18:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:18:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:18:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:18:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:18:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:18:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:18:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:18:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:18:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:18:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:18:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:18:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:18:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:18:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:18:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:18:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:18:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:18:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:18:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:18:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:18:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:18:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 05:18:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:18:39,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370032878] [2024-11-07 05:18:39,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370032878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:18:39,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:18:39,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:18:39,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129820221] [2024-11-07 05:18:39,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:18:39,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:18:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:18:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:18:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:18:39,967 INFO L87 Difference]: Start difference. First operand 106 states and 164 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:18:40,194 INFO L93 Difference]: Finished difference Result 388 states and 600 transitions. [2024-11-07 05:18:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:18:40,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-07 05:18:40,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:18:40,198 INFO L225 Difference]: With dead ends: 388 [2024-11-07 05:18:40,198 INFO L226 Difference]: Without dead ends: 285 [2024-11-07 05:18:40,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:18:40,200 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 289 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:18:40,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 749 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:18:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-07 05:18:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 106. [2024-11-07 05:18:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 164 transitions. [2024-11-07 05:18:40,233 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 164 transitions. Word has length 247 [2024-11-07 05:18:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:18:40,233 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 164 transitions. [2024-11-07 05:18:40,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2024-11-07 05:18:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-07 05:18:40,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:40,237 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:40,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:18:40,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:40,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:40,237 INFO L85 PathProgramCache]: Analyzing trace with hash -714533589, now seen corresponding path program 1 times [2024-11-07 05:18:40,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:40,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275950904] [2024-11-07 05:18:40,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:40,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:18:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:18:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:18:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:18:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:18:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:18:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:18:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:18:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:18:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:18:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:18:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:18:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:18:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:18:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:18:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:18:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:18:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:18:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:18:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:18:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:18:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:18:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:18:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:18:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:18:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:18:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:18:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:18:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:18:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:18:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:18:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:18:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:18:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:18:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:18:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:18:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:18:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:18:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:18:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:18:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:18:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-07 05:18:40,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:18:40,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275950904] [2024-11-07 05:18:40,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275950904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:18:40,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:18:40,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:18:40,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420491066] [2024-11-07 05:18:40,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:18:40,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:18:40,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:18:40,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:18:40,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:18:40,524 INFO L87 Difference]: Start difference. First operand 106 states and 164 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:40,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:18:40,755 INFO L93 Difference]: Finished difference Result 388 states and 599 transitions. [2024-11-07 05:18:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:18:40,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2024-11-07 05:18:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:18:40,759 INFO L225 Difference]: With dead ends: 388 [2024-11-07 05:18:40,761 INFO L226 Difference]: Without dead ends: 285 [2024-11-07 05:18:40,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:18:40,762 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 279 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:18:40,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 772 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:18:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-07 05:18:40,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 102. [2024-11-07 05:18:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 60 states have internal predecessors, (77), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 05:18:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 157 transitions. [2024-11-07 05:18:40,790 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 157 transitions. Word has length 247 [2024-11-07 05:18:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:18:40,791 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 157 transitions. [2024-11-07 05:18:40,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-07 05:18:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2024-11-07 05:18:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-07 05:18:40,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:18:40,793 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:40,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:18:40,794 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:18:40,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:18:40,794 INFO L85 PathProgramCache]: Analyzing trace with hash -859588120, now seen corresponding path program 1 times [2024-11-07 05:18:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:18:40,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389859592] [2024-11-07 05:18:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:18:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:18:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat