./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_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-50_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', '523ab1782dfa3dcdc0aab84be9cad9a55ebed22394710b8604ae8836b477b0ac'] 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-50_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 523ab1782dfa3dcdc0aab84be9cad9a55ebed22394710b8604ae8836b477b0ac --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:37:48,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:37:48,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:37:48,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:37:48,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:37:48,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:37:48,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:37:48,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:37:48,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:37:48,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:37:48,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:37:48,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:37:48,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:37:48,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:37:48,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:37:48,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:37:48,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:37:48,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:37:48,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:37:48,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:37:48,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:37:48,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:37:48,859 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 -> 523ab1782dfa3dcdc0aab84be9cad9a55ebed22394710b8604ae8836b477b0ac [2024-11-07 05:37:49,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:37:49,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:37:49,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:37:49,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:37:49,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:37:49,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-07 05:37:50,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:37:50,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:37:50,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-07 05:37:50,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b48684df/550355aefec643e3a0ea67af8efc9795/FLAGbfeeb2f5e [2024-11-07 05:37:50,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b48684df/550355aefec643e3a0ea67af8efc9795 [2024-11-07 05:37:50,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:37:50,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:37:50,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:37:50,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:37:50,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:37:50,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:50" (1/1) ... [2024-11-07 05:37:50,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1b106c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:50, skipping insertion in model container [2024-11-07 05:37:50,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:50" (1/1) ... [2024-11-07 05:37:50,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:37:51,031 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-50_file-64.i[915,928] [2024-11-07 05:37:51,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:37:51,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:37:51,155 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-50_file-64.i[915,928] [2024-11-07 05:37:51,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:37:51,228 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:37:51,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51 WrapperNode [2024-11-07 05:37:51,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:37:51,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:37:51,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:37:51,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:37:51,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,286 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-11-07 05:37:51,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:37:51,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:37:51,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:37:51,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:37:51,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,319 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 05:37:51,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:37:51,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:37:51,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:37:51,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:37:51,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (1/1) ... [2024-11-07 05:37:51,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:37:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:37:51,381 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 05:37:51,387 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 05:37:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:37:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:37:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:37:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:37:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:37:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:37:51,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:37:51,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:37:52,023 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 05:37:52,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:37:52,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:37:52,038 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:37:52,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:52 BoogieIcfgContainer [2024-11-07 05:37:52,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:37:52,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:37:52,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:37:52,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:37:52,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:37:50" (1/3) ... [2024-11-07 05:37:52,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:52, skipping insertion in model container [2024-11-07 05:37:52,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:51" (2/3) ... [2024-11-07 05:37:52,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:52, skipping insertion in model container [2024-11-07 05:37:52,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:52" (3/3) ... [2024-11-07 05:37:52,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-64.i [2024-11-07 05:37:52,065 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:37:52,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:37:52,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:37:52,140 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;@36f80dd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:37:52,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:37:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:37:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 05:37:52,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:37:52,165 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:52,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:37:52,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:37:52,170 INFO L85 PathProgramCache]: Analyzing trace with hash -19507857, now seen corresponding path program 1 times [2024-11-07 05:37:52,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:37:52,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395520778] [2024-11-07 05:37:52,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:37:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:37:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:37:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:37:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:37:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:37:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:37:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:37:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:37:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:37:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:37:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:37:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:37:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:37:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:37:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:37:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:37:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:37:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:37:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:37:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:37:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:37:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:37:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:37:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:37:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:37:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:37:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:37:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:37:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:37:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:37:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:37:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:37:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:37:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:37:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:37:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:37:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:37:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:37:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:37:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:37:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:37:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:37:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:37:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:37:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:37:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:37:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:37:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:37:52,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:37:52,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395520778] [2024-11-07 05:37:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395520778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:37:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:37:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:37:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560614987] [2024-11-07 05:37:52,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:37:52,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:37:52,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:37:52,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:37:52,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:37:52,852 INFO L87 Difference]: Start difference. First operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-07 05:37:52,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:37:52,893 INFO L93 Difference]: Finished difference Result 227 states and 410 transitions. [2024-11-07 05:37:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:37:52,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 282 [2024-11-07 05:37:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:37:52,903 INFO L225 Difference]: With dead ends: 227 [2024-11-07 05:37:52,903 INFO L226 Difference]: Without dead ends: 113 [2024-11-07 05:37:52,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 05:37:52,913 INFO L432 NwaCegarLoop]: 178 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, 178 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 05:37:52,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:37:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-07 05:37:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-07 05:37:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:37:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 178 transitions. [2024-11-07 05:37:52,980 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 178 transitions. Word has length 282 [2024-11-07 05:37:52,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:37:52,981 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 178 transitions. [2024-11-07 05:37:52,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-07 05:37:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2024-11-07 05:37:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 05:37:52,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:37:52,987 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:52,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:37:52,988 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:37:52,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:37:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 704734707, now seen corresponding path program 1 times [2024-11-07 05:37:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:37:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974998803] [2024-11-07 05:37:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:37:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:37:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:37:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:37:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:37:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:37:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:37:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:37:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:37:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:37:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:37:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:37:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:37:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:37:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:37:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:37:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:37:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:37:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:37:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:37:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:37:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:37:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:37:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:37:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:37:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:37:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:37:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:37:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:37:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:37:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:37:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:37:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:37:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:37:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:37:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:37:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:37:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:37:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:37:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:37:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:37:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:37:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:37:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:37:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:37:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:37:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:37:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:37:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:37:53,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:37:53,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974998803] [2024-11-07 05:37:53,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974998803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:37:53,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:37:53,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:37:53,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033762047] [2024-11-07 05:37:53,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:37:53,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:37:53,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:37:53,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:37:53,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:37:53,882 INFO L87 Difference]: Start difference. First operand 113 states and 178 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:37:54,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:37:54,318 INFO L93 Difference]: Finished difference Result 428 states and 675 transitions. [2024-11-07 05:37:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:37:54,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-07 05:37:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:37:54,328 INFO L225 Difference]: With dead ends: 428 [2024-11-07 05:37:54,329 INFO L226 Difference]: Without dead ends: 318 [2024-11-07 05:37:54,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 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 05:37:54,330 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 320 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:37:54,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 843 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:37:54,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-07 05:37:54,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 117. [2024-11-07 05:37:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:37:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 184 transitions. [2024-11-07 05:37:54,365 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 184 transitions. Word has length 282 [2024-11-07 05:37:54,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:37:54,367 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 184 transitions. [2024-11-07 05:37:54,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:37:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2024-11-07 05:37:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 05:37:54,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:37:54,374 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:54,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:37:54,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:37:54,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:37:54,376 INFO L85 PathProgramCache]: Analyzing trace with hash -104611919, now seen corresponding path program 1 times [2024-11-07 05:37:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:37:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548070231] [2024-11-07 05:37:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:37:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:37:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:37:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:37:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:37:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:37:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:37:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:37:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:37:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:37:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:37:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:37:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:37:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:37:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:37:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:37:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:37:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:37:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:37:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:37:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:37:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:37:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:37:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:37:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:37:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:37:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:37:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:37:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:37:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:37:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:37:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:37:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:37:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:37:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:37:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:37:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:37:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:37:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:37:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:37:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:37:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:37:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:37:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:37:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:37:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:37:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:37:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:37:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:37:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:37:54,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:37:54,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548070231] [2024-11-07 05:37:54,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548070231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:37:54,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:37:54,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:37:54,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802961000] [2024-11-07 05:37:54,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:37:54,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:37:54,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:37:54,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:37:54,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:37:54,884 INFO L87 Difference]: Start difference. First operand 117 states and 184 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:37:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:37:55,169 INFO L93 Difference]: Finished difference Result 432 states and 680 transitions. [2024-11-07 05:37:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:37:55,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-07 05:37:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:37:55,175 INFO L225 Difference]: With dead ends: 432 [2024-11-07 05:37:55,178 INFO L226 Difference]: Without dead ends: 318 [2024-11-07 05:37:55,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 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 05:37:55,180 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 319 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:37:55,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 865 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:37:55,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-07 05:37:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 117. [2024-11-07 05:37:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:37:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 184 transitions. [2024-11-07 05:37:55,217 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 184 transitions. Word has length 282 [2024-11-07 05:37:55,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:37:55,218 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 184 transitions. [2024-11-07 05:37:55,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:37:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2024-11-07 05:37:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 05:37:55,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:37:55,223 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:55,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:37:55,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:37:55,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:37:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash 412541105, now seen corresponding path program 1 times [2024-11-07 05:37:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:37:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954891466] [2024-11-07 05:37:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:37:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:37:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:38:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:38:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:38:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:38:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:38:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:38:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:38:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:38:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:38:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:38:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:38:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:38:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:38:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:38:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:38:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:38:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:38:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:38:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:38:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:38:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:38:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:38:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:38:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:38:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:38:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:38:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:38:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:38:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:38:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:38:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:38:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:38:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:38:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:38:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:38:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:38:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:38:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:38:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:38:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:38:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:38:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:38:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:38:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:38:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:38:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:38:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:38:00,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:38:00,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954891466] [2024-11-07 05:38:00,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954891466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:38:00,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:38:00,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:38:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473088407] [2024-11-07 05:38:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:38:00,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:38:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:38:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:38:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:38:00,131 INFO L87 Difference]: Start difference. First operand 117 states and 184 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:38:00,533 INFO L93 Difference]: Finished difference Result 341 states and 533 transitions. [2024-11-07 05:38:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:38:00,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-07 05:38:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:38:00,537 INFO L225 Difference]: With dead ends: 341 [2024-11-07 05:38:00,537 INFO L226 Difference]: Without dead ends: 227 [2024-11-07 05:38:00,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 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 05:38:00,539 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 170 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:38:00,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 837 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:38:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-07 05:38:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 117. [2024-11-07 05:38:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:38:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 184 transitions. [2024-11-07 05:38:00,564 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 184 transitions. Word has length 282 [2024-11-07 05:38:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:38:00,564 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 184 transitions. [2024-11-07 05:38:00,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2024-11-07 05:38:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-07 05:38:00,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:38:00,569 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:38:00,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:38:00,569 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:38:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:38:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1221887731, now seen corresponding path program 1 times [2024-11-07 05:38:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:38:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664287295] [2024-11-07 05:38:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:38:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:38:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:38:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:38:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:38:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:38:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:38:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:38:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:38:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:38:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:38:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:38:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:38:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:38:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:38:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:38:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:38:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:38:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:38:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:38:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:38:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:38:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:38:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:38:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:38:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:38:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:38:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:38:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:38:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:38:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:38:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:38:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:38:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:38:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:38:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:38:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:38:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:38:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:38:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:38:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:38:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:38:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:38:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:38:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:38:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:38:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:38:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:38:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:38:00,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:38:00,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664287295] [2024-11-07 05:38:00,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664287295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:38:00,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:38:00,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:38:00,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157212204] [2024-11-07 05:38:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:38:00,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:38:00,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:38:00,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:38:00,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:38:00,998 INFO L87 Difference]: Start difference. First operand 117 states and 184 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:38:01,301 INFO L93 Difference]: Finished difference Result 346 states and 540 transitions. [2024-11-07 05:38:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:38:01,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-07 05:38:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:38:01,304 INFO L225 Difference]: With dead ends: 346 [2024-11-07 05:38:01,304 INFO L226 Difference]: Without dead ends: 232 [2024-11-07 05:38:01,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 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 05:38:01,307 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 178 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:38:01,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1050 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:38:01,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-07 05:38:01,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 113. [2024-11-07 05:38:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 05:38:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2024-11-07 05:38:01,330 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 177 transitions. Word has length 282 [2024-11-07 05:38:01,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:38:01,331 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 177 transitions. [2024-11-07 05:38:01,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2024-11-07 05:38:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-07 05:38:01,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:38:01,335 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:38:01,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:38:01,335 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:38:01,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:38:01,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1903231826, now seen corresponding path program 1 times [2024-11-07 05:38:01,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:38:01,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862338213] [2024-11-07 05:38:01,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:38:01,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:38:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:38:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:38:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:38:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:38:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:38:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:38:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:38:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:38:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:38:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:38:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:38:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:38:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:38:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:38:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:38:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:38:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:38:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:38:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:38:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:38:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:38:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:38:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:38:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:38:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:38:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:38:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:38:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:38:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:38:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:38:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:38:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:38:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:38:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 05:38:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 05:38:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 05:38:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 05:38:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:38:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:38:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 05:38:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 05:38:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 05:38:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 05:38:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 05:38:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:38:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 05:38:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:38:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 05:38:05,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:38:05,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862338213] [2024-11-07 05:38:05,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862338213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:38:05,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:38:05,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 05:38:05,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901521173] [2024-11-07 05:38:05,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:38:05,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 05:38:05,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:38:05,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 05:38:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:38:05,124 INFO L87 Difference]: Start difference. First operand 113 states and 177 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:06,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:38:06,021 INFO L93 Difference]: Finished difference Result 392 states and 584 transitions. [2024-11-07 05:38:06,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 05:38:06,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-11-07 05:38:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:38:06,026 INFO L225 Difference]: With dead ends: 392 [2024-11-07 05:38:06,026 INFO L226 Difference]: Without dead ends: 282 [2024-11-07 05:38:06,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-07 05:38:06,031 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 266 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:38:06,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 717 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 05:38:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-07 05:38:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 187. [2024-11-07 05:38:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 121 states have (on average 1.3388429752066116) internal successors, (162), 123 states have internal predecessors, (162), 62 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 05:38:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 286 transitions. [2024-11-07 05:38:06,074 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 286 transitions. Word has length 284 [2024-11-07 05:38:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:38:06,076 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 286 transitions. [2024-11-07 05:38:06,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-07 05:38:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 286 transitions. [2024-11-07 05:38:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-07 05:38:06,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:38:06,080 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:38:06,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:38:06,080 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:38:06,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:38:06,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1998708460, now seen corresponding path program 1 times [2024-11-07 05:38:06,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:38:06,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449465400] [2024-11-07 05:38:06,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:38:06,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:38:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat