./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.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_variablewrapping_wrapper-ap_file-85.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', 'a747c3e70b2dac762cd875ff4c6b8c1b6f4dc1a373b46f7848c57180a86a2166'] 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_variablewrapping_wrapper-ap_file-85.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 a747c3e70b2dac762cd875ff4c6b8c1b6f4dc1a373b46f7848c57180a86a2166 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:28:41,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:28:41,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 10:28:41,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:28:41,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:28:41,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:28:41,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:28:41,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:28:41,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:28:41,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:28:41,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:28:41,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:28:41,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:28:41,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:28:41,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:28:41,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:28:41,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:28:41,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:28:41,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:28:41,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 10:28:41,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 10:28:41,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:28:41,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:28:41,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:28:41,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:28:41,668 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 -> a747c3e70b2dac762cd875ff4c6b8c1b6f4dc1a373b46f7848c57180a86a2166 [2024-11-07 10:28:41,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:28:42,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:28:42,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:28:42,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:28:42,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:28:42,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i [2024-11-07 10:28:43,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:28:43,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:28:43,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i [2024-11-07 10:28:43,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/541e1ddf3/dc729ef350504b9f897f9bc30b5ccac3/FLAGa36bfbe20 [2024-11-07 10:28:43,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/541e1ddf3/dc729ef350504b9f897f9bc30b5ccac3 [2024-11-07 10:28:43,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:28:43,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:28:43,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:28:43,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:28:43,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:28:43,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:28:43" (1/1) ... [2024-11-07 10:28:43,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574707dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:43, skipping insertion in model container [2024-11-07 10:28:43,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:28:43" (1/1) ... [2024-11-07 10:28:43,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:28:43,884 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_variablewrapping_wrapper-ap_file-85.i[917,930] [2024-11-07 10:28:43,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:28:43,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:28:44,002 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_variablewrapping_wrapper-ap_file-85.i[917,930] [2024-11-07 10:28:44,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:28:44,066 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:28:44,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44 WrapperNode [2024-11-07 10:28:44,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:28:44,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:28:44,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:28:44,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:28:44,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,155 INFO L138 Inliner]: procedures = 27, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 538 [2024-11-07 10:28:44,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:28:44,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:28:44,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:28:44,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:28:44,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,201 INFO L175 MemorySlicer]: Split 140 memory accesses to 6 slices as follows [2, 70, 25, 7, 29, 7]. 50 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 3, 1, 2, 1]. The 33 writes are split as follows [0, 23, 4, 3, 2, 1]. [2024-11-07 10:28:44,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:28:44,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:28:44,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:28:44,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:28:44,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (1/1) ... [2024-11-07 10:28:44,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:28:44,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:28:44,301 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 10:28:44,304 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 10:28:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:28:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 10:28:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 10:28:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 10:28:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:28:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 10:28:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 10:28:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:28:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:28:44,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:28:44,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:28:45,091 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-07 10:28:45,091 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:28:45,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:28:45,106 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:28:45,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:28:45 BoogieIcfgContainer [2024-11-07 10:28:45,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:28:45,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:28:45,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:28:45,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:28:45,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:28:43" (1/3) ... [2024-11-07 10:28:45,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1627501e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:28:45, skipping insertion in model container [2024-11-07 10:28:45,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:28:44" (2/3) ... [2024-11-07 10:28:45,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1627501e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:28:45, skipping insertion in model container [2024-11-07 10:28:45,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:28:45" (3/3) ... [2024-11-07 10:28:45,117 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-85.i [2024-11-07 10:28:45,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:28:45,131 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:28:45,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:28:45,195 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;@20feb032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:28:45,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:28:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 10:28:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 10:28:45,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:45,213 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:45,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:45,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:45,217 INFO L85 PathProgramCache]: Analyzing trace with hash -632733008, now seen corresponding path program 1 times [2024-11-07 10:28:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:45,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256775736] [2024-11-07 10:28:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:45,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:45,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:45,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256775736] [2024-11-07 10:28:45,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256775736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:45,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:45,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:28:45,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681918655] [2024-11-07 10:28:45,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:45,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:28:45,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:45,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:28:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:28:45,803 INFO L87 Difference]: Start difference. First operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:28:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:45,828 INFO L93 Difference]: Finished difference Result 255 states and 399 transitions. [2024-11-07 10:28:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:28:45,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2024-11-07 10:28:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:45,837 INFO L225 Difference]: With dead ends: 255 [2024-11-07 10:28:45,837 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 10:28:45,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 10:28:45,843 INFO L432 NwaCegarLoop]: 184 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, 184 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 10:28:45,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:28:45,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 10:28:45,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-07 10:28:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 10:28:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-07 10:28:45,892 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 179 [2024-11-07 10:28:45,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:45,893 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-07 10:28:45,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:28:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-07 10:28:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 10:28:45,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:45,897 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:45,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 10:28:45,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:45,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash -493224382, now seen corresponding path program 1 times [2024-11-07 10:28:45,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:45,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657881622] [2024-11-07 10:28:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:49,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:49,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657881622] [2024-11-07 10:28:49,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657881622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:49,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:49,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:28:49,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424870857] [2024-11-07 10:28:49,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:49,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:28:49,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:49,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:28:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:28:49,286 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:28:50,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:50,162 INFO L93 Difference]: Finished difference Result 325 states and 469 transitions. [2024-11-07 10:28:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:28:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 179 [2024-11-07 10:28:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:50,166 INFO L225 Difference]: With dead ends: 325 [2024-11-07 10:28:50,168 INFO L226 Difference]: Without dead ends: 201 [2024-11-07 10:28:50,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:28:50,172 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 403 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:50,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 809 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:28:50,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-07 10:28:50,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 195. [2024-11-07 10:28:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 167 states have (on average 1.3832335329341316) internal successors, (231), 168 states have internal predecessors, (231), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:28:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 281 transitions. [2024-11-07 10:28:50,214 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 281 transitions. Word has length 179 [2024-11-07 10:28:50,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:50,215 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 281 transitions. [2024-11-07 10:28:50,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:28:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 281 transitions. [2024-11-07 10:28:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:50,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:50,223 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:50,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 10:28:50,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:50,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1535301185, now seen corresponding path program 1 times [2024-11-07 10:28:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:50,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877092952] [2024-11-07 10:28:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:50,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:50,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877092952] [2024-11-07 10:28:50,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877092952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:50,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:50,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:28:50,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048991176] [2024-11-07 10:28:50,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:50,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:28:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:28:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:28:50,595 INFO L87 Difference]: Start difference. First operand 195 states and 281 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:50,807 INFO L93 Difference]: Finished difference Result 430 states and 620 transitions. [2024-11-07 10:28:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:28:50,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:50,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:50,813 INFO L225 Difference]: With dead ends: 430 [2024-11-07 10:28:50,814 INFO L226 Difference]: Without dead ends: 238 [2024-11-07 10:28:50,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:28:50,816 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 65 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:50,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 604 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:28:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-07 10:28:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 195. [2024-11-07 10:28:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 167 states have (on average 1.3712574850299402) internal successors, (229), 168 states have internal predecessors, (229), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 10:28:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 279 transitions. [2024-11-07 10:28:50,842 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 279 transitions. Word has length 180 [2024-11-07 10:28:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:50,842 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 279 transitions. [2024-11-07 10:28:50,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 279 transitions. [2024-11-07 10:28:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:50,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:50,845 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:50,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 10:28:50,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:50,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1213410666, now seen corresponding path program 1 times [2024-11-07 10:28:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:50,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806382137] [2024-11-07 10:28:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:51,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806382137] [2024-11-07 10:28:51,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806382137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:51,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:51,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:28:51,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400603853] [2024-11-07 10:28:51,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:51,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:28:51,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:51,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:28:51,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:28:51,501 INFO L87 Difference]: Start difference. First operand 195 states and 279 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:51,997 INFO L93 Difference]: Finished difference Result 693 states and 988 transitions. [2024-11-07 10:28:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:28:51,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:52,000 INFO L225 Difference]: With dead ends: 693 [2024-11-07 10:28:52,001 INFO L226 Difference]: Without dead ends: 501 [2024-11-07 10:28:52,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:28:52,002 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 301 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:52,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1239 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:28:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-07 10:28:52,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2024-11-07 10:28:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 427 states have (on average 1.3676814988290398) internal successors, (584), 432 states have internal predecessors, (584), 61 states have call successors, (61), 6 states have call predecessors, (61), 6 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:28:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 706 transitions. [2024-11-07 10:28:52,074 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 706 transitions. Word has length 180 [2024-11-07 10:28:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:52,076 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 706 transitions. [2024-11-07 10:28:52,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 706 transitions. [2024-11-07 10:28:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:52,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:52,080 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:52,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 10:28:52,081 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:52,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2060488276, now seen corresponding path program 1 times [2024-11-07 10:28:52,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:52,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20723723] [2024-11-07 10:28:52,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:52,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:52,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:52,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:28:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:53,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20723723] [2024-11-07 10:28:53,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20723723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:28:53,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685663649] [2024-11-07 10:28:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:53,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:28:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:28:53,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 10:28:53,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 10:28:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:53,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 10:28:53,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:28:53,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-07 10:28:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:53,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:28:53,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685663649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:53,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 10:28:53,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-07 10:28:53,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084435535] [2024-11-07 10:28:53,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:53,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:28:53,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:53,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:28:53,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:28:53,555 INFO L87 Difference]: Start difference. First operand 495 states and 706 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:53,790 INFO L93 Difference]: Finished difference Result 1237 states and 1765 transitions. [2024-11-07 10:28:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:28:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:53,796 INFO L225 Difference]: With dead ends: 1237 [2024-11-07 10:28:53,796 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 10:28:53,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-07 10:28:53,798 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 177 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:53,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 2174 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:28:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 10:28:53,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 521. [2024-11-07 10:28:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 448 states have (on average 1.3504464285714286) internal successors, (605), 453 states have internal predecessors, (605), 65 states have call successors, (65), 7 states have call predecessors, (65), 7 states have return successors, (65), 60 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-07 10:28:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 735 transitions. [2024-11-07 10:28:53,867 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 735 transitions. Word has length 180 [2024-11-07 10:28:53,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:53,867 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 735 transitions. [2024-11-07 10:28:53,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 735 transitions. [2024-11-07 10:28:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:53,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:53,871 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:53,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 10:28:54,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:28:54,072 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:54,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:54,072 INFO L85 PathProgramCache]: Analyzing trace with hash -395762216, now seen corresponding path program 1 times [2024-11-07 10:28:54,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:54,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766285278] [2024-11-07 10:28:54,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:54,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-07 10:28:55,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:55,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766285278] [2024-11-07 10:28:55,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766285278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 10:28:55,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982038996] [2024-11-07 10:28:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:55,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:28:55,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:28:55,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 10:28:55,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 10:28:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:55,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 10:28:55,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:28:55,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 10:28:55,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-07 10:28:55,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-07 10:28:55,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-07 10:28:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:56,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:28:56,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982038996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:56,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 10:28:56,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2024-11-07 10:28:56,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051047025] [2024-11-07 10:28:56,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:56,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:28:56,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:56,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:28:56,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-07 10:28:56,011 INFO L87 Difference]: Start difference. First operand 521 states and 735 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:56,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:56,565 INFO L93 Difference]: Finished difference Result 1123 states and 1583 transitions. [2024-11-07 10:28:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:28:56,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:56,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:56,571 INFO L225 Difference]: With dead ends: 1123 [2024-11-07 10:28:56,571 INFO L226 Difference]: Without dead ends: 605 [2024-11-07 10:28:56,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:28:56,577 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 254 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:56,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 1646 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:28:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-07 10:28:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 599. [2024-11-07 10:28:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 511 states have (on average 1.3444227005870841) internal successors, (687), 517 states have internal predecessors, (687), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:28:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 845 transitions. [2024-11-07 10:28:56,651 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 845 transitions. Word has length 180 [2024-11-07 10:28:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:56,652 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 845 transitions. [2024-11-07 10:28:56,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 845 transitions. [2024-11-07 10:28:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:56,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:56,659 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:56,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 10:28:56,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 10:28:56,860 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:56,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:56,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1416830570, now seen corresponding path program 1 times [2024-11-07 10:28:56,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:56,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449618559] [2024-11-07 10:28:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:56,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:57,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:57,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449618559] [2024-11-07 10:28:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449618559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:57,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:57,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 10:28:57,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905893325] [2024-11-07 10:28:57,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:57,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 10:28:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 10:28:57,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 10:28:57,365 INFO L87 Difference]: Start difference. First operand 599 states and 845 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:57,881 INFO L93 Difference]: Finished difference Result 1195 states and 1683 transitions. [2024-11-07 10:28:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:28:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:57,886 INFO L225 Difference]: With dead ends: 1195 [2024-11-07 10:28:57,886 INFO L226 Difference]: Without dead ends: 599 [2024-11-07 10:28:57,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:28:57,888 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 221 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:57,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1675 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:28:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-07 10:28:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 593. [2024-11-07 10:28:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 505 states have (on average 1.3405940594059407) internal successors, (677), 511 states have internal predecessors, (677), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:28:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 835 transitions. [2024-11-07 10:28:57,945 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 835 transitions. Word has length 180 [2024-11-07 10:28:57,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:57,947 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 835 transitions. [2024-11-07 10:28:57,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 835 transitions. [2024-11-07 10:28:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:57,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:57,951 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:57,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 10:28:57,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:57,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:57,952 INFO L85 PathProgramCache]: Analyzing trace with hash 576235292, now seen corresponding path program 1 times [2024-11-07 10:28:57,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:57,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020066933] [2024-11-07 10:28:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:28:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:28:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:28:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:28:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:28:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:28:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:28:58,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:28:58,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020066933] [2024-11-07 10:28:58,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020066933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:28:58,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:28:58,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:28:58,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252397376] [2024-11-07 10:28:58,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:28:58,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:28:58,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:28:58,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:28:58,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:28:58,563 INFO L87 Difference]: Start difference. First operand 593 states and 835 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:59,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:28:59,180 INFO L93 Difference]: Finished difference Result 1318 states and 1856 transitions. [2024-11-07 10:28:59,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:28:59,181 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:28:59,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:28:59,188 INFO L225 Difference]: With dead ends: 1318 [2024-11-07 10:28:59,188 INFO L226 Difference]: Without dead ends: 728 [2024-11-07 10:28:59,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:28:59,191 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 364 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:28:59,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1765 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:28:59,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-07 10:28:59,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 599. [2024-11-07 10:28:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 511 states have (on average 1.340508806262231) internal successors, (685), 517 states have internal predecessors, (685), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:28:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 843 transitions. [2024-11-07 10:28:59,253 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 843 transitions. Word has length 180 [2024-11-07 10:28:59,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:28:59,254 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 843 transitions. [2024-11-07 10:28:59,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:28:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 843 transitions. [2024-11-07 10:28:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:28:59,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:28:59,256 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:59,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 10:28:59,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:28:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:28:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -444833062, now seen corresponding path program 1 times [2024-11-07 10:28:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:28:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976869000] [2024-11-07 10:28:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:28:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:28:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:28:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:28:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:28:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:28:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:28:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:28:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:28:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:28:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:28:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:28:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:28:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:28:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:28:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:28:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:28:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:28:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:28:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:28:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:00,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976869000] [2024-11-07 10:29:00,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976869000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:00,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:00,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:29:00,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667956270] [2024-11-07 10:29:00,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:00,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:29:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:00,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:29:00,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:29:00,028 INFO L87 Difference]: Start difference. First operand 599 states and 843 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:00,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:00,392 INFO L93 Difference]: Finished difference Result 1582 states and 2230 transitions. [2024-11-07 10:29:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:00,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:29:00,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:00,400 INFO L225 Difference]: With dead ends: 1582 [2024-11-07 10:29:00,400 INFO L226 Difference]: Without dead ends: 986 [2024-11-07 10:29:00,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:00,404 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 281 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:00,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 581 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-07 10:29:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 653. [2024-11-07 10:29:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 565 states have (on average 1.3539823008849559) internal successors, (765), 571 states have internal predecessors, (765), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 923 transitions. [2024-11-07 10:29:00,467 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 923 transitions. Word has length 180 [2024-11-07 10:29:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:00,467 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 923 transitions. [2024-11-07 10:29:00,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 923 transitions. [2024-11-07 10:29:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:29:00,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:00,470 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:00,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 10:29:00,470 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:00,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:00,471 INFO L85 PathProgramCache]: Analyzing trace with hash 898125811, now seen corresponding path program 1 times [2024-11-07 10:29:00,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:00,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468391604] [2024-11-07 10:29:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:00,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:00,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468391604] [2024-11-07 10:29:00,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468391604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:00,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:00,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:29:00,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076284984] [2024-11-07 10:29:00,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:00,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:29:00,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:00,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:29:00,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:00,710 INFO L87 Difference]: Start difference. First operand 653 states and 923 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:00,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:00,891 INFO L93 Difference]: Finished difference Result 1344 states and 1900 transitions. [2024-11-07 10:29:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:29:00,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:29:00,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:00,897 INFO L225 Difference]: With dead ends: 1344 [2024-11-07 10:29:00,897 INFO L226 Difference]: Without dead ends: 694 [2024-11-07 10:29:00,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:29:00,899 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 63 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:00,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 641 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:29:00,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-07 10:29:00,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 651. [2024-11-07 10:29:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 563 states have (on average 1.344582593250444) internal successors, (757), 569 states have internal predecessors, (757), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 915 transitions. [2024-11-07 10:29:00,957 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 915 transitions. Word has length 180 [2024-11-07 10:29:00,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:00,957 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 915 transitions. [2024-11-07 10:29:00,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 915 transitions. [2024-11-07 10:29:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 10:29:00,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:00,960 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:00,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 10:29:00,960 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:00,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:00,961 INFO L85 PathProgramCache]: Analyzing trace with hash 256766812, now seen corresponding path program 1 times [2024-11-07 10:29:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259995649] [2024-11-07 10:29:00,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:01,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:01,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259995649] [2024-11-07 10:29:01,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259995649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:01,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:01,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:29:01,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496367071] [2024-11-07 10:29:01,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:01,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:29:01,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:01,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:29:01,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:01,095 INFO L87 Difference]: Start difference. First operand 651 states and 915 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:01,153 INFO L93 Difference]: Finished difference Result 1279 states and 1797 transitions. [2024-11-07 10:29:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:29:01,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-07 10:29:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:01,161 INFO L225 Difference]: With dead ends: 1279 [2024-11-07 10:29:01,161 INFO L226 Difference]: Without dead ends: 631 [2024-11-07 10:29:01,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:01,164 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:01,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-07 10:29:01,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-07 10:29:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 543 states have (on average 1.3351749539594844) internal successors, (725), 549 states have internal predecessors, (725), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 883 transitions. [2024-11-07 10:29:01,215 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 883 transitions. Word has length 180 [2024-11-07 10:29:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:01,216 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 883 transitions. [2024-11-07 10:29:01,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 883 transitions. [2024-11-07 10:29:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:29:01,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:01,220 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:01,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 10:29:01,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:01,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1900634344, now seen corresponding path program 1 times [2024-11-07 10:29:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:01,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014265539] [2024-11-07 10:29:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:01,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014265539] [2024-11-07 10:29:01,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014265539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:01,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:01,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:29:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283241725] [2024-11-07 10:29:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:01,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:29:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:29:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:01,379 INFO L87 Difference]: Start difference. First operand 631 states and 883 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:01,447 INFO L93 Difference]: Finished difference Result 1265 states and 1771 transitions. [2024-11-07 10:29:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:29:01,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:29:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:01,453 INFO L225 Difference]: With dead ends: 1265 [2024-11-07 10:29:01,453 INFO L226 Difference]: Without dead ends: 637 [2024-11-07 10:29:01,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:01,455 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:01,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 707 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-07 10:29:01,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-07 10:29:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 549 states have (on average 1.331511839708561) internal successors, (731), 555 states have internal predecessors, (731), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 889 transitions. [2024-11-07 10:29:01,504 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 889 transitions. Word has length 181 [2024-11-07 10:29:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:01,504 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 889 transitions. [2024-11-07 10:29:01,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 889 transitions. [2024-11-07 10:29:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:29:01,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:01,507 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:01,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 10:29:01,507 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:01,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:01,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1973020902, now seen corresponding path program 1 times [2024-11-07 10:29:01,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:01,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160816951] [2024-11-07 10:29:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:02,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:02,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160816951] [2024-11-07 10:29:02,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160816951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:02,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:02,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:29:02,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780884044] [2024-11-07 10:29:02,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:02,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:29:02,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:02,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:29:02,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:29:02,299 INFO L87 Difference]: Start difference. First operand 637 states and 889 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:02,772 INFO L93 Difference]: Finished difference Result 1353 states and 1892 transitions. [2024-11-07 10:29:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:29:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:02,777 INFO L225 Difference]: With dead ends: 1353 [2024-11-07 10:29:02,777 INFO L226 Difference]: Without dead ends: 719 [2024-11-07 10:29:02,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:02,779 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 357 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:02,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 678 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-07 10:29:02,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 634. [2024-11-07 10:29:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 546 states have (on average 1.3315018315018314) internal successors, (727), 552 states have internal predecessors, (727), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 885 transitions. [2024-11-07 10:29:02,825 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 885 transitions. Word has length 181 [2024-11-07 10:29:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:02,825 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 885 transitions. [2024-11-07 10:29:02,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 885 transitions. [2024-11-07 10:29:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:29:02,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:02,828 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:02,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 10:29:02,828 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:02,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1654071006, now seen corresponding path program 1 times [2024-11-07 10:29:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:02,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46801105] [2024-11-07 10:29:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:02,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:03,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:03,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46801105] [2024-11-07 10:29:03,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46801105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:03,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:03,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:29:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31837267] [2024-11-07 10:29:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:03,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:29:03,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:03,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:29:03,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:29:03,602 INFO L87 Difference]: Start difference. First operand 634 states and 885 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:04,054 INFO L93 Difference]: Finished difference Result 1344 states and 1880 transitions. [2024-11-07 10:29:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:29:04,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:04,060 INFO L225 Difference]: With dead ends: 1344 [2024-11-07 10:29:04,060 INFO L226 Difference]: Without dead ends: 713 [2024-11-07 10:29:04,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:04,062 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 228 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:04,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 575 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-07 10:29:04,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 634. [2024-11-07 10:29:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 546 states have (on average 1.3278388278388278) internal successors, (725), 552 states have internal predecessors, (725), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 883 transitions. [2024-11-07 10:29:04,107 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 883 transitions. Word has length 181 [2024-11-07 10:29:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:04,108 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 883 transitions. [2024-11-07 10:29:04,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 883 transitions. [2024-11-07 10:29:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 10:29:04,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:04,111 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:04,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 10:29:04,112 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:04,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:04,112 INFO L85 PathProgramCache]: Analyzing trace with hash 633002652, now seen corresponding path program 1 times [2024-11-07 10:29:04,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:04,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801955670] [2024-11-07 10:29:04,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:04,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:04,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801955670] [2024-11-07 10:29:04,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801955670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:04,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:04,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:29:04,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387821371] [2024-11-07 10:29:04,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:04,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:29:04,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:04,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:29:04,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:29:04,496 INFO L87 Difference]: Start difference. First operand 634 states and 883 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:04,746 INFO L93 Difference]: Finished difference Result 1423 states and 1989 transitions. [2024-11-07 10:29:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:04,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 181 [2024-11-07 10:29:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:04,751 INFO L225 Difference]: With dead ends: 1423 [2024-11-07 10:29:04,752 INFO L226 Difference]: Without dead ends: 792 [2024-11-07 10:29:04,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:29:04,755 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 115 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:04,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1520 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:29:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-11-07 10:29:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 628. [2024-11-07 10:29:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 540 states have (on average 1.3296296296296297) internal successors, (718), 546 states have internal predecessors, (718), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 876 transitions. [2024-11-07 10:29:04,809 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 876 transitions. Word has length 181 [2024-11-07 10:29:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:04,811 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 876 transitions. [2024-11-07 10:29:04,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 876 transitions. [2024-11-07 10:29:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:29:04,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:04,814 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:04,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 10:29:04,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:04,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:04,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2112639665, now seen corresponding path program 1 times [2024-11-07 10:29:04,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:04,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225233282] [2024-11-07 10:29:04,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:04,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:04,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:04,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225233282] [2024-11-07 10:29:04,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225233282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:04,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:04,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 10:29:04,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371451923] [2024-11-07 10:29:04,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:04,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 10:29:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:04,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 10:29:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:29:04,922 INFO L87 Difference]: Start difference. First operand 628 states and 876 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:04,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:04,967 INFO L93 Difference]: Finished difference Result 1254 states and 1751 transitions. [2024-11-07 10:29:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 10:29:04,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-07 10:29:04,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:04,971 INFO L225 Difference]: With dead ends: 1254 [2024-11-07 10:29:04,971 INFO L226 Difference]: Without dead ends: 629 [2024-11-07 10:29:04,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:29:04,973 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:04,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-07 10:29:05,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2024-11-07 10:29:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 541 states have (on average 1.3290203327171903) internal successors, (719), 547 states have internal predecessors, (719), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 877 transitions. [2024-11-07 10:29:05,016 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 877 transitions. Word has length 182 [2024-11-07 10:29:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:05,016 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 877 transitions. [2024-11-07 10:29:05,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 877 transitions. [2024-11-07 10:29:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:29:05,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:05,018 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:05,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 10:29:05,019 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:05,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:05,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1083280367, now seen corresponding path program 1 times [2024-11-07 10:29:05,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:05,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486209829] [2024-11-07 10:29:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:05,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:05,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486209829] [2024-11-07 10:29:05,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486209829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:05,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:05,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:29:05,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692961701] [2024-11-07 10:29:05,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:05,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:29:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:05,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:29:05,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:05,201 INFO L87 Difference]: Start difference. First operand 629 states and 877 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:05,299 INFO L93 Difference]: Finished difference Result 1256 states and 1752 transitions. [2024-11-07 10:29:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:29:05,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-07 10:29:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:05,304 INFO L225 Difference]: With dead ends: 1256 [2024-11-07 10:29:05,304 INFO L226 Difference]: Without dead ends: 630 [2024-11-07 10:29:05,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:29:05,306 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 4 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:05,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 676 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:29:05,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-07 10:29:05,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 629. [2024-11-07 10:29:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 541 states have (on average 1.3271719038817005) internal successors, (718), 547 states have internal predecessors, (718), 79 states have call successors, (79), 8 states have call predecessors, (79), 8 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 10:29:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 876 transitions. [2024-11-07 10:29:05,349 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 876 transitions. Word has length 182 [2024-11-07 10:29:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:05,350 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 876 transitions. [2024-11-07 10:29:05,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 876 transitions. [2024-11-07 10:29:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 10:29:05,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:05,352 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:05,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 10:29:05,353 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:05,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:05,353 INFO L85 PathProgramCache]: Analyzing trace with hash 688913581, now seen corresponding path program 1 times [2024-11-07 10:29:05,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:05,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953184206] [2024-11-07 10:29:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:05,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:05,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:05,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953184206] [2024-11-07 10:29:05,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953184206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:05,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:05,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:29:05,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076140841] [2024-11-07 10:29:05,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:05,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:29:05,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:05,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:29:05,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:05,541 INFO L87 Difference]: Start difference. First operand 629 states and 876 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:05,606 INFO L93 Difference]: Finished difference Result 1052 states and 1462 transitions. [2024-11-07 10:29:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:29:05,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-07 10:29:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:05,609 INFO L225 Difference]: With dead ends: 1052 [2024-11-07 10:29:05,609 INFO L226 Difference]: Without dead ends: 426 [2024-11-07 10:29:05,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:05,611 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:05,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-07 10:29:05,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 425. [2024-11-07 10:29:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 358 states have (on average 1.3100558659217878) internal successors, (469), 362 states have internal predecessors, (469), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 587 transitions. [2024-11-07 10:29:05,646 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 587 transitions. Word has length 182 [2024-11-07 10:29:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:05,646 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 587 transitions. [2024-11-07 10:29:05,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 587 transitions. [2024-11-07 10:29:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 10:29:05,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:05,648 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:05,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 10:29:05,648 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:05,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -621272487, now seen corresponding path program 1 times [2024-11-07 10:29:05,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:05,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124250618] [2024-11-07 10:29:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:06,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:06,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124250618] [2024-11-07 10:29:06,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124250618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:06,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:06,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:29:06,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360528853] [2024-11-07 10:29:06,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:06,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:29:06,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:06,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:29:06,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:29:06,133 INFO L87 Difference]: Start difference. First operand 425 states and 587 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:06,379 INFO L93 Difference]: Finished difference Result 904 states and 1250 transitions. [2024-11-07 10:29:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:29:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-11-07 10:29:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:06,383 INFO L225 Difference]: With dead ends: 904 [2024-11-07 10:29:06,383 INFO L226 Difference]: Without dead ends: 482 [2024-11-07 10:29:06,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:29:06,385 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 144 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:06,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1452 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 10:29:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-07 10:29:06,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 440. [2024-11-07 10:29:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 373 states have (on average 1.2975871313672922) internal successors, (484), 377 states have internal predecessors, (484), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:06,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 602 transitions. [2024-11-07 10:29:06,420 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 602 transitions. Word has length 183 [2024-11-07 10:29:06,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:06,421 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 602 transitions. [2024-11-07 10:29:06,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 602 transitions. [2024-11-07 10:29:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:29:06,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:06,423 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:06,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 10:29:06,423 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:06,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash -67911810, now seen corresponding path program 1 times [2024-11-07 10:29:06,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:06,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735980731] [2024-11-07 10:29:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:06,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:06,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735980731] [2024-11-07 10:29:06,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735980731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:06,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:06,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 10:29:06,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674280557] [2024-11-07 10:29:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:06,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 10:29:06,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:06,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 10:29:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:29:06,538 INFO L87 Difference]: Start difference. First operand 440 states and 602 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:06,575 INFO L93 Difference]: Finished difference Result 882 states and 1211 transitions. [2024-11-07 10:29:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 10:29:06,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:29:06,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:06,578 INFO L225 Difference]: With dead ends: 882 [2024-11-07 10:29:06,578 INFO L226 Difference]: Without dead ends: 445 [2024-11-07 10:29:06,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 10:29:06,582 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:06,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-07 10:29:06,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-11-07 10:29:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 378 states have (on average 1.2936507936507937) internal successors, (489), 382 states have internal predecessors, (489), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 607 transitions. [2024-11-07 10:29:06,619 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 607 transitions. Word has length 185 [2024-11-07 10:29:06,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:06,619 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 607 transitions. [2024-11-07 10:29:06,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 607 transitions. [2024-11-07 10:29:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:29:06,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:06,621 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:06,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 10:29:06,621 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:06,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:06,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1656259712, now seen corresponding path program 1 times [2024-11-07 10:29:06,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:06,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430759971] [2024-11-07 10:29:06,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:06,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:06,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430759971] [2024-11-07 10:29:06,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430759971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:06,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:06,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:29:06,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680783691] [2024-11-07 10:29:06,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:06,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:29:06,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:06,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:29:06,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:06,820 INFO L87 Difference]: Start difference. First operand 445 states and 607 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:06,997 INFO L93 Difference]: Finished difference Result 1182 states and 1618 transitions. [2024-11-07 10:29:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:29:06,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:29:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:07,002 INFO L225 Difference]: With dead ends: 1182 [2024-11-07 10:29:07,002 INFO L226 Difference]: Without dead ends: 740 [2024-11-07 10:29:07,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:29:07,004 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 108 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:07,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 829 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:29:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-07 10:29:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 445. [2024-11-07 10:29:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 378 states have (on average 1.2804232804232805) internal successors, (484), 382 states have internal predecessors, (484), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 602 transitions. [2024-11-07 10:29:07,048 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 602 transitions. Word has length 185 [2024-11-07 10:29:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:07,050 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 602 transitions. [2024-11-07 10:29:07,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 602 transitions. [2024-11-07 10:29:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-07 10:29:07,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:07,051 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:07,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 10:29:07,052 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:07,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1358843906, now seen corresponding path program 1 times [2024-11-07 10:29:07,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:07,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211332049] [2024-11-07 10:29:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:07,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:07,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211332049] [2024-11-07 10:29:07,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211332049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:07,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:29:07,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231041805] [2024-11-07 10:29:07,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:07,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:29:07,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:07,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:29:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:07,277 INFO L87 Difference]: Start difference. First operand 445 states and 602 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:07,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:07,338 INFO L93 Difference]: Finished difference Result 862 states and 1171 transitions. [2024-11-07 10:29:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:29:07,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-07 10:29:07,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:07,344 INFO L225 Difference]: With dead ends: 862 [2024-11-07 10:29:07,344 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 10:29:07,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:07,348 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:07,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:07,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 10:29:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 415. [2024-11-07 10:29:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 348 states have (on average 1.2758620689655173) internal successors, (444), 352 states have internal predecessors, (444), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 562 transitions. [2024-11-07 10:29:07,383 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 562 transitions. Word has length 185 [2024-11-07 10:29:07,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:07,384 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 562 transitions. [2024-11-07 10:29:07,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 562 transitions. [2024-11-07 10:29:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 10:29:07,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:07,387 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:07,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 10:29:07,387 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:07,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash -730884783, now seen corresponding path program 1 times [2024-11-07 10:29:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102830462] [2024-11-07 10:29:07,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:08,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:08,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102830462] [2024-11-07 10:29:08,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102830462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:08,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:08,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:29:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088732793] [2024-11-07 10:29:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:08,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:29:08,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:08,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:29:08,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:08,231 INFO L87 Difference]: Start difference. First operand 415 states and 562 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:08,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:08,703 INFO L93 Difference]: Finished difference Result 970 states and 1311 transitions. [2024-11-07 10:29:08,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:29:08,703 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-07 10:29:08,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:08,707 INFO L225 Difference]: With dead ends: 970 [2024-11-07 10:29:08,707 INFO L226 Difference]: Without dead ends: 558 [2024-11-07 10:29:08,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:29:08,709 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 206 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:08,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 1084 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-07 10:29:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 481. [2024-11-07 10:29:08,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 414 states have (on average 1.2632850241545894) internal successors, (523), 418 states have internal predecessors, (523), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 641 transitions. [2024-11-07 10:29:08,748 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 641 transitions. Word has length 187 [2024-11-07 10:29:08,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:08,749 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 641 transitions. [2024-11-07 10:29:08,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 641 transitions. [2024-11-07 10:29:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 10:29:08,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:08,750 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:08,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 10:29:08,751 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:08,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:08,751 INFO L85 PathProgramCache]: Analyzing trace with hash -472719345, now seen corresponding path program 1 times [2024-11-07 10:29:08,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:08,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237706434] [2024-11-07 10:29:08,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:08,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:08,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237706434] [2024-11-07 10:29:08,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237706434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:08,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:08,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:29:08,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561810812] [2024-11-07 10:29:08,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:08,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:29:08,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:08,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:29:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:08,869 INFO L87 Difference]: Start difference. First operand 481 states and 641 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:08,939 INFO L93 Difference]: Finished difference Result 978 states and 1306 transitions. [2024-11-07 10:29:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:29:08,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-07 10:29:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:08,945 INFO L225 Difference]: With dead ends: 978 [2024-11-07 10:29:08,946 INFO L226 Difference]: Without dead ends: 500 [2024-11-07 10:29:08,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:08,949 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:08,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 502 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-07 10:29:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 497. [2024-11-07 10:29:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 430 states have (on average 1.2534883720930232) internal successors, (539), 434 states have internal predecessors, (539), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 657 transitions. [2024-11-07 10:29:08,983 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 657 transitions. Word has length 187 [2024-11-07 10:29:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:08,984 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 657 transitions. [2024-11-07 10:29:08,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 657 transitions. [2024-11-07 10:29:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 10:29:08,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:08,986 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:08,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 10:29:08,986 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:08,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1725337417, now seen corresponding path program 1 times [2024-11-07 10:29:08,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:08,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118007916] [2024-11-07 10:29:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:09,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:09,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118007916] [2024-11-07 10:29:09,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118007916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:09,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:09,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 10:29:09,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133013590] [2024-11-07 10:29:09,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:09,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 10:29:09,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:09,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 10:29:09,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:29:09,429 INFO L87 Difference]: Start difference. First operand 497 states and 657 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:29:09,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:09,969 INFO L93 Difference]: Finished difference Result 1200 states and 1577 transitions. [2024-11-07 10:29:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:29:09,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-07 10:29:09,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:09,974 INFO L225 Difference]: With dead ends: 1200 [2024-11-07 10:29:09,974 INFO L226 Difference]: Without dead ends: 706 [2024-11-07 10:29:09,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:29:09,977 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 478 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:09,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 731 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-07 10:29:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 530. [2024-11-07 10:29:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 463 states have (on average 1.2462203023758098) internal successors, (577), 467 states have internal predecessors, (577), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 10:29:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 695 transitions. [2024-11-07 10:29:10,049 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 695 transitions. Word has length 188 [2024-11-07 10:29:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:10,050 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 695 transitions. [2024-11-07 10:29:10,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:29:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 695 transitions. [2024-11-07 10:29:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:29:10,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:10,054 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:10,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 10:29:10,054 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:10,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:10,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2086549611, now seen corresponding path program 1 times [2024-11-07 10:29:10,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:10,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367628861] [2024-11-07 10:29:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:10,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:11,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:11,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367628861] [2024-11-07 10:29:11,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367628861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:11,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:11,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:29:11,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692976645] [2024-11-07 10:29:11,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:11,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:29:11,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:11,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:29:11,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:29:11,433 INFO L87 Difference]: Start difference. First operand 530 states and 695 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:12,044 INFO L93 Difference]: Finished difference Result 1106 states and 1451 transitions. [2024-11-07 10:29:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:29:12,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 189 [2024-11-07 10:29:12,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:12,048 INFO L225 Difference]: With dead ends: 1106 [2024-11-07 10:29:12,048 INFO L226 Difference]: Without dead ends: 579 [2024-11-07 10:29:12,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:12,049 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 478 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:12,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 727 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:29:12,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-07 10:29:12,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 573. [2024-11-07 10:29:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 503 states have (on average 1.2504970178926442) internal successors, (629), 508 states have internal predecessors, (629), 61 states have call successors, (61), 8 states have call predecessors, (61), 8 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:29:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 751 transitions. [2024-11-07 10:29:12,093 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 751 transitions. Word has length 189 [2024-11-07 10:29:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:12,094 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 751 transitions. [2024-11-07 10:29:12,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 751 transitions. [2024-11-07 10:29:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:29:12,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:12,096 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:12,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 10:29:12,097 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:12,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:12,097 INFO L85 PathProgramCache]: Analyzing trace with hash 267792035, now seen corresponding path program 1 times [2024-11-07 10:29:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:12,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195079690] [2024-11-07 10:29:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:13,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:13,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195079690] [2024-11-07 10:29:13,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195079690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:13,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:13,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:29:13,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286657118] [2024-11-07 10:29:13,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:13,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:29:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:29:13,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:13,541 INFO L87 Difference]: Start difference. First operand 573 states and 751 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:14,127 INFO L93 Difference]: Finished difference Result 1302 states and 1705 transitions. [2024-11-07 10:29:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:14,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 189 [2024-11-07 10:29:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:14,131 INFO L225 Difference]: With dead ends: 1302 [2024-11-07 10:29:14,132 INFO L226 Difference]: Without dead ends: 732 [2024-11-07 10:29:14,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:14,133 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 476 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:14,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 755 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-07 10:29:14,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 577. [2024-11-07 10:29:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 507 states have (on average 1.244575936883629) internal successors, (631), 512 states have internal predecessors, (631), 61 states have call successors, (61), 8 states have call predecessors, (61), 8 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:29:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 753 transitions. [2024-11-07 10:29:14,202 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 753 transitions. Word has length 189 [2024-11-07 10:29:14,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:14,202 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 753 transitions. [2024-11-07 10:29:14,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 753 transitions. [2024-11-07 10:29:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:29:14,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:14,204 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:14,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 10:29:14,204 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:14,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:14,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1831826601, now seen corresponding path program 1 times [2024-11-07 10:29:14,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:14,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120955807] [2024-11-07 10:29:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:14,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:14,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:14,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120955807] [2024-11-07 10:29:14,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120955807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:14,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:14,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:29:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353154005] [2024-11-07 10:29:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:14,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 10:29:14,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 10:29:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:14,339 INFO L87 Difference]: Start difference. First operand 577 states and 753 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:14,398 INFO L93 Difference]: Finished difference Result 1181 states and 1542 transitions. [2024-11-07 10:29:14,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 10:29:14,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-07 10:29:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:14,402 INFO L225 Difference]: With dead ends: 1181 [2024-11-07 10:29:14,402 INFO L226 Difference]: Without dead ends: 607 [2024-11-07 10:29:14,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 10:29:14,404 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:14,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:14,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-07 10:29:14,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 594. [2024-11-07 10:29:14,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 524 states have (on average 1.2366412213740459) internal successors, (648), 529 states have internal predecessors, (648), 61 states have call successors, (61), 8 states have call predecessors, (61), 8 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:29:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 770 transitions. [2024-11-07 10:29:14,448 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 770 transitions. Word has length 189 [2024-11-07 10:29:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:14,448 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 770 transitions. [2024-11-07 10:29:14,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 770 transitions. [2024-11-07 10:29:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:29:14,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:14,450 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:14,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 10:29:14,450 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:14,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash 551962923, now seen corresponding path program 1 times [2024-11-07 10:29:14,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:14,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838255665] [2024-11-07 10:29:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:14,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838255665] [2024-11-07 10:29:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838255665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:14,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:14,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 10:29:14,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602146765] [2024-11-07 10:29:14,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:14,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 10:29:14,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:14,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 10:29:14,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 10:29:14,858 INFO L87 Difference]: Start difference. First operand 594 states and 770 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:15,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:15,213 INFO L93 Difference]: Finished difference Result 1317 states and 1702 transitions. [2024-11-07 10:29:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:29:15,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-07 10:29:15,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:15,216 INFO L225 Difference]: With dead ends: 1317 [2024-11-07 10:29:15,216 INFO L226 Difference]: Without dead ends: 726 [2024-11-07 10:29:15,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:15,217 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 272 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:15,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 735 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:15,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-07 10:29:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 594. [2024-11-07 10:29:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 524 states have (on average 1.2328244274809161) internal successors, (646), 529 states have internal predecessors, (646), 61 states have call successors, (61), 8 states have call predecessors, (61), 8 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-07 10:29:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 768 transitions. [2024-11-07 10:29:15,261 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 768 transitions. Word has length 189 [2024-11-07 10:29:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:15,262 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 768 transitions. [2024-11-07 10:29:15,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 768 transitions. [2024-11-07 10:29:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 10:29:15,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:15,264 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:15,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 10:29:15,264 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:15,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash 777621859, now seen corresponding path program 1 times [2024-11-07 10:29:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233723143] [2024-11-07 10:29:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:15,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:16,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:16,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233723143] [2024-11-07 10:29:16,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233723143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:16,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:16,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:29:16,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371249610] [2024-11-07 10:29:16,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:16,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:29:16,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:16,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:29:16,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:29:16,649 INFO L87 Difference]: Start difference. First operand 594 states and 768 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:17,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:17,175 INFO L93 Difference]: Finished difference Result 1246 states and 1601 transitions. [2024-11-07 10:29:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:17,176 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 189 [2024-11-07 10:29:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:17,179 INFO L225 Difference]: With dead ends: 1246 [2024-11-07 10:29:17,179 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 10:29:17,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:29:17,181 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 342 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:17,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 666 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:17,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 10:29:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 453. [2024-11-07 10:29:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 389 states have (on average 1.205655526992288) internal successors, (469), 391 states have internal predecessors, (469), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 10:29:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 579 transitions. [2024-11-07 10:29:17,222 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 579 transitions. Word has length 189 [2024-11-07 10:29:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:17,222 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 579 transitions. [2024-11-07 10:29:17,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 579 transitions. [2024-11-07 10:29:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:17,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:17,224 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:17,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 10:29:17,224 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:17,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash 346704995, now seen corresponding path program 1 times [2024-11-07 10:29:17,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:17,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140876095] [2024-11-07 10:29:17,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:17,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:18,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:18,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140876095] [2024-11-07 10:29:18,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140876095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:18,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:18,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:29:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302282606] [2024-11-07 10:29:18,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:18,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:29:18,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:18,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:29:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:29:18,645 INFO L87 Difference]: Start difference. First operand 453 states and 579 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:29:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:19,284 INFO L93 Difference]: Finished difference Result 1095 states and 1393 transitions. [2024-11-07 10:29:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 10:29:19,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 190 [2024-11-07 10:29:19,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:19,288 INFO L225 Difference]: With dead ends: 1095 [2024-11-07 10:29:19,288 INFO L226 Difference]: Without dead ends: 645 [2024-11-07 10:29:19,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-07 10:29:19,290 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 301 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:19,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 791 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:29:19,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-07 10:29:19,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 640. [2024-11-07 10:29:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 558 states have (on average 1.2114695340501793) internal successors, (676), 563 states have internal predecessors, (676), 67 states have call successors, (67), 14 states have call predecessors, (67), 14 states have return successors, (67), 62 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-07 10:29:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 810 transitions. [2024-11-07 10:29:19,362 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 810 transitions. Word has length 190 [2024-11-07 10:29:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:19,363 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 810 transitions. [2024-11-07 10:29:19,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:29:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 810 transitions. [2024-11-07 10:29:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:19,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:19,365 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:19,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 10:29:19,365 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:19,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:19,366 INFO L85 PathProgramCache]: Analyzing trace with hash 594851489, now seen corresponding path program 1 times [2024-11-07 10:29:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861658502] [2024-11-07 10:29:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:20,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:20,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861658502] [2024-11-07 10:29:20,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861658502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:20,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:20,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 10:29:20,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750151758] [2024-11-07 10:29:20,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:20,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 10:29:20,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 10:29:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:20,983 INFO L87 Difference]: Start difference. First operand 640 states and 810 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:21,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:21,853 INFO L93 Difference]: Finished difference Result 1423 states and 1801 transitions. [2024-11-07 10:29:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 10:29:21,854 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 190 [2024-11-07 10:29:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:21,858 INFO L225 Difference]: With dead ends: 1423 [2024-11-07 10:29:21,858 INFO L226 Difference]: Without dead ends: 786 [2024-11-07 10:29:21,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-07 10:29:21,861 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 416 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:21,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1252 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:29:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-07 10:29:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 769. [2024-11-07 10:29:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 663 states have (on average 1.2141779788838611) internal successors, (805), 671 states have internal predecessors, (805), 85 states have call successors, (85), 20 states have call predecessors, (85), 20 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 975 transitions. [2024-11-07 10:29:22,008 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 975 transitions. Word has length 190 [2024-11-07 10:29:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:22,012 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 975 transitions. [2024-11-07 10:29:22,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 975 transitions. [2024-11-07 10:29:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:22,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:22,014 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:22,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 10:29:22,015 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:22,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash -228817437, now seen corresponding path program 1 times [2024-11-07 10:29:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210919198] [2024-11-07 10:29:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:23,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210919198] [2024-11-07 10:29:23,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210919198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:23,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:23,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:29:23,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070991587] [2024-11-07 10:29:23,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:23,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:29:23,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:23,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:29:23,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:29:23,414 INFO L87 Difference]: Start difference. First operand 769 states and 975 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:23,956 INFO L93 Difference]: Finished difference Result 1654 states and 2095 transitions. [2024-11-07 10:29:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:23,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 190 [2024-11-07 10:29:23,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:23,961 INFO L225 Difference]: With dead ends: 1654 [2024-11-07 10:29:23,961 INFO L226 Difference]: Without dead ends: 888 [2024-11-07 10:29:23,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:23,963 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 434 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:23,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 695 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-07 10:29:24,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 772. [2024-11-07 10:29:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 663 states have (on average 1.205128205128205) internal successors, (799), 671 states have internal predecessors, (799), 85 states have call successors, (85), 23 states have call predecessors, (85), 23 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 969 transitions. [2024-11-07 10:29:24,063 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 969 transitions. Word has length 190 [2024-11-07 10:29:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:24,064 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 969 transitions. [2024-11-07 10:29:24,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 969 transitions. [2024-11-07 10:29:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:24,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:24,066 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:24,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 10:29:24,066 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:24,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1508681115, now seen corresponding path program 1 times [2024-11-07 10:29:24,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:24,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333835994] [2024-11-07 10:29:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:25,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:25,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333835994] [2024-11-07 10:29:25,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333835994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:25,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:25,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 10:29:25,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919121360] [2024-11-07 10:29:25,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:25,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:29:25,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:25,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:29:25,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:29:25,555 INFO L87 Difference]: Start difference. First operand 772 states and 969 transitions. Second operand has 16 states, 15 states have (on average 5.2) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:26,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:26,292 INFO L93 Difference]: Finished difference Result 1681 states and 2110 transitions. [2024-11-07 10:29:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:29:26,293 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 190 [2024-11-07 10:29:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:26,297 INFO L225 Difference]: With dead ends: 1681 [2024-11-07 10:29:26,297 INFO L226 Difference]: Without dead ends: 912 [2024-11-07 10:29:26,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-11-07 10:29:26,299 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 581 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:26,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1153 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:29:26,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-07 10:29:26,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 772. [2024-11-07 10:29:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 663 states have (on average 1.200603318250377) internal successors, (796), 671 states have internal predecessors, (796), 85 states have call successors, (85), 23 states have call predecessors, (85), 23 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 966 transitions. [2024-11-07 10:29:26,396 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 966 transitions. Word has length 190 [2024-11-07 10:29:26,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:26,397 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 966 transitions. [2024-11-07 10:29:26,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 966 transitions. [2024-11-07 10:29:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:26,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:26,399 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:26,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 10:29:26,399 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:26,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1250515677, now seen corresponding path program 1 times [2024-11-07 10:29:26,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:26,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346746689] [2024-11-07 10:29:26,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:28,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:28,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346746689] [2024-11-07 10:29:28,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346746689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:28,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:28,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 10:29:28,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239649786] [2024-11-07 10:29:28,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:28,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 10:29:28,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:28,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 10:29:28,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:29:28,739 INFO L87 Difference]: Start difference. First operand 772 states and 966 transitions. Second operand has 18 states, 17 states have (on average 4.588235294117647) internal successors, (78), 18 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:29,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:29,913 INFO L93 Difference]: Finished difference Result 1649 states and 2073 transitions. [2024-11-07 10:29:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 10:29:29,913 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.588235294117647) internal successors, (78), 18 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 190 [2024-11-07 10:29:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:29,916 INFO L225 Difference]: With dead ends: 1649 [2024-11-07 10:29:29,916 INFO L226 Difference]: Without dead ends: 880 [2024-11-07 10:29:29,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-11-07 10:29:29,918 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 602 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:29,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1528 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:29:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2024-11-07 10:29:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 785. [2024-11-07 10:29:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 676 states have (on average 1.198224852071006) internal successors, (810), 684 states have internal predecessors, (810), 85 states have call successors, (85), 23 states have call predecessors, (85), 23 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 980 transitions. [2024-11-07 10:29:30,032 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 980 transitions. Word has length 190 [2024-11-07 10:29:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:30,032 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 980 transitions. [2024-11-07 10:29:30,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.588235294117647) internal successors, (78), 18 states have internal predecessors, (78), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 980 transitions. [2024-11-07 10:29:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 10:29:30,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:30,034 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:30,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 10:29:30,034 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:30,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:30,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1619440157, now seen corresponding path program 1 times [2024-11-07 10:29:30,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:30,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194272520] [2024-11-07 10:29:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:30,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:31,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194272520] [2024-11-07 10:29:31,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194272520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:31,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:31,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 10:29:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351820183] [2024-11-07 10:29:31,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:31,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 10:29:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:31,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 10:29:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:31,824 INFO L87 Difference]: Start difference. First operand 785 states and 980 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:29:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:32,779 INFO L93 Difference]: Finished difference Result 1591 states and 1989 transitions. [2024-11-07 10:29:32,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 10:29:32,779 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 190 [2024-11-07 10:29:32,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:32,784 INFO L225 Difference]: With dead ends: 1591 [2024-11-07 10:29:32,784 INFO L226 Difference]: Without dead ends: 809 [2024-11-07 10:29:32,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-07 10:29:32,786 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 414 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:32,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1152 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 10:29:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-07 10:29:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 769. [2024-11-07 10:29:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 660 states have (on average 1.2) internal successors, (792), 668 states have internal predecessors, (792), 85 states have call successors, (85), 23 states have call predecessors, (85), 23 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 962 transitions. [2024-11-07 10:29:32,881 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 962 transitions. Word has length 190 [2024-11-07 10:29:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:32,881 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 962 transitions. [2024-11-07 10:29:32,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-07 10:29:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 962 transitions. [2024-11-07 10:29:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:32,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:32,883 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:32,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 10:29:32,883 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:32,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:32,883 INFO L85 PathProgramCache]: Analyzing trace with hash -196934681, now seen corresponding path program 1 times [2024-11-07 10:29:32,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:32,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219652282] [2024-11-07 10:29:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:32,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:32,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219652282] [2024-11-07 10:29:32,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219652282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:32,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:32,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:29:32,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346551243] [2024-11-07 10:29:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:32,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:29:32,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:32,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:29:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:32,988 INFO L87 Difference]: Start difference. First operand 769 states and 962 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:33,090 INFO L93 Difference]: Finished difference Result 1562 states and 1957 transitions. [2024-11-07 10:29:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:29:33,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-07 10:29:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:33,095 INFO L225 Difference]: With dead ends: 1562 [2024-11-07 10:29:33,095 INFO L226 Difference]: Without dead ends: 796 [2024-11-07 10:29:33,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:29:33,096 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:33,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 503 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:29:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-07 10:29:33,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 787. [2024-11-07 10:29:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 678 states have (on average 1.1946902654867257) internal successors, (810), 686 states have internal predecessors, (810), 85 states have call successors, (85), 23 states have call predecessors, (85), 23 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 980 transitions. [2024-11-07 10:29:33,210 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 980 transitions. Word has length 191 [2024-11-07 10:29:33,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:33,210 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 980 transitions. [2024-11-07 10:29:33,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 980 transitions. [2024-11-07 10:29:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:33,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:33,212 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:33,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 10:29:33,212 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:33,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:33,213 INFO L85 PathProgramCache]: Analyzing trace with hash -589961691, now seen corresponding path program 1 times [2024-11-07 10:29:33,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:33,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759265812] [2024-11-07 10:29:33,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:33,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:34,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759265812] [2024-11-07 10:29:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759265812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:34,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:34,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:29:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785255822] [2024-11-07 10:29:34,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:34,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:29:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:29:34,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:34,252 INFO L87 Difference]: Start difference. First operand 787 states and 980 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:34,908 INFO L93 Difference]: Finished difference Result 2259 states and 2807 transitions. [2024-11-07 10:29:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:34,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) Word has length 191 [2024-11-07 10:29:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:34,914 INFO L225 Difference]: With dead ends: 2259 [2024-11-07 10:29:34,914 INFO L226 Difference]: Without dead ends: 1475 [2024-11-07 10:29:34,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:29:34,916 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 686 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:34,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 647 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:34,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-07 10:29:35,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1470. [2024-11-07 10:29:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1280 states have (on average 1.19296875) internal successors, (1527), 1297 states have internal predecessors, (1527), 145 states have call successors, (145), 44 states have call predecessors, (145), 44 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-07 10:29:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1817 transitions. [2024-11-07 10:29:35,202 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1817 transitions. Word has length 191 [2024-11-07 10:29:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:35,203 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1817 transitions. [2024-11-07 10:29:35,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1817 transitions. [2024-11-07 10:29:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:35,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:35,205 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:35,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 10:29:35,205 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:35,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:35,206 INFO L85 PathProgramCache]: Analyzing trace with hash -455100119, now seen corresponding path program 1 times [2024-11-07 10:29:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117902519] [2024-11-07 10:29:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:36,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117902519] [2024-11-07 10:29:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117902519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:36,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 10:29:36,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897043254] [2024-11-07 10:29:36,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:36,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 10:29:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 10:29:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:29:36,459 INFO L87 Difference]: Start difference. First operand 1470 states and 1817 transitions. Second operand has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:37,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:37,474 INFO L93 Difference]: Finished difference Result 4115 states and 5143 transitions. [2024-11-07 10:29:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 10:29:37,475 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 191 [2024-11-07 10:29:37,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:37,485 INFO L225 Difference]: With dead ends: 4115 [2024-11-07 10:29:37,485 INFO L226 Difference]: Without dead ends: 2648 [2024-11-07 10:29:37,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-07 10:29:37,488 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 730 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:37,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 970 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 10:29:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2024-11-07 10:29:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2144. [2024-11-07 10:29:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2144 states, 1954 states have (on average 1.1760491299897646) internal successors, (2298), 1971 states have internal predecessors, (2298), 145 states have call successors, (145), 44 states have call predecessors, (145), 44 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-07 10:29:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2588 transitions. [2024-11-07 10:29:37,702 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2588 transitions. Word has length 191 [2024-11-07 10:29:37,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:37,702 INFO L471 AbstractCegarLoop]: Abstraction has 2144 states and 2588 transitions. [2024-11-07 10:29:37,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2588 transitions. [2024-11-07 10:29:37,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:37,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:37,705 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:37,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 10:29:37,705 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:37,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1484459417, now seen corresponding path program 1 times [2024-11-07 10:29:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248708917] [2024-11-07 10:29:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:38,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:38,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248708917] [2024-11-07 10:29:38,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248708917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:38,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:38,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:29:38,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284266311] [2024-11-07 10:29:38,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:38,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:29:38,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:38,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:29:38,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:29:38,349 INFO L87 Difference]: Start difference. First operand 2144 states and 2588 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:29:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:39,035 INFO L93 Difference]: Finished difference Result 4797 states and 5791 transitions. [2024-11-07 10:29:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 10:29:39,035 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-07 10:29:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:39,043 INFO L225 Difference]: With dead ends: 4797 [2024-11-07 10:29:39,044 INFO L226 Difference]: Without dead ends: 2656 [2024-11-07 10:29:39,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-07 10:29:39,047 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 451 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:39,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 866 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2024-11-07 10:29:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2445. [2024-11-07 10:29:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2255 states have (on average 1.168070953436807) internal successors, (2634), 2272 states have internal predecessors, (2634), 145 states have call successors, (145), 44 states have call predecessors, (145), 44 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-07 10:29:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 2924 transitions. [2024-11-07 10:29:39,377 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 2924 transitions. Word has length 191 [2024-11-07 10:29:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:39,377 INFO L471 AbstractCegarLoop]: Abstraction has 2445 states and 2924 transitions. [2024-11-07 10:29:39,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 10:29:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2924 transitions. [2024-11-07 10:29:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:39,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:39,381 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:39,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 10:29:39,381 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:39,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:39,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1877486427, now seen corresponding path program 1 times [2024-11-07 10:29:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106242592] [2024-11-07 10:29:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:39,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:39,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106242592] [2024-11-07 10:29:39,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106242592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:39,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:39,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 10:29:39,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418842013] [2024-11-07 10:29:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:39,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 10:29:39,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 10:29:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 10:29:39,926 INFO L87 Difference]: Start difference. First operand 2445 states and 2924 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:40,465 INFO L93 Difference]: Finished difference Result 5581 states and 6728 transitions. [2024-11-07 10:29:40,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 10:29:40,465 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-11-07 10:29:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:40,476 INFO L225 Difference]: With dead ends: 5581 [2024-11-07 10:29:40,476 INFO L226 Difference]: Without dead ends: 3139 [2024-11-07 10:29:40,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-07 10:29:40,481 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 264 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:40,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1438 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:40,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2024-11-07 10:29:40,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 2746. [2024-11-07 10:29:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2556 states have (on average 1.1690140845070423) internal successors, (2988), 2573 states have internal predecessors, (2988), 145 states have call successors, (145), 44 states have call predecessors, (145), 44 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-07 10:29:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3278 transitions. [2024-11-07 10:29:40,805 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3278 transitions. Word has length 191 [2024-11-07 10:29:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:40,806 INFO L471 AbstractCegarLoop]: Abstraction has 2746 states and 3278 transitions. [2024-11-07 10:29:40,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 10:29:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3278 transitions. [2024-11-07 10:29:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 10:29:40,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:40,810 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:40,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 10:29:40,810 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:40,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1438700581, now seen corresponding path program 1 times [2024-11-07 10:29:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:40,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776671984] [2024-11-07 10:29:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:41,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:41,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776671984] [2024-11-07 10:29:41,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776671984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:41,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:41,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 10:29:41,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439318683] [2024-11-07 10:29:41,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:41,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:29:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:41,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:29:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:29:41,801 INFO L87 Difference]: Start difference. First operand 2746 states and 3278 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:42,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:42,517 INFO L93 Difference]: Finished difference Result 5452 states and 6485 transitions. [2024-11-07 10:29:42,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:42,518 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) Word has length 191 [2024-11-07 10:29:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:42,525 INFO L225 Difference]: With dead ends: 5452 [2024-11-07 10:29:42,525 INFO L226 Difference]: Without dead ends: 2709 [2024-11-07 10:29:42,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-07 10:29:42,529 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 495 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:42,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 689 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 10:29:42,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2024-11-07 10:29:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2018. [2024-11-07 10:29:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2018 states, 1906 states have (on average 1.14900314795383) internal successors, (2190), 1914 states have internal predecessors, (2190), 85 states have call successors, (85), 26 states have call predecessors, (85), 26 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 2018 states and 2360 transitions. [2024-11-07 10:29:42,793 INFO L78 Accepts]: Start accepts. Automaton has 2018 states and 2360 transitions. Word has length 191 [2024-11-07 10:29:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:42,793 INFO L471 AbstractCegarLoop]: Abstraction has 2018 states and 2360 transitions. [2024-11-07 10:29:42,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2360 transitions. [2024-11-07 10:29:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 10:29:42,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:42,797 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:42,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 10:29:42,797 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:42,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1633060821, now seen corresponding path program 1 times [2024-11-07 10:29:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210534548] [2024-11-07 10:29:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:44,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210534548] [2024-11-07 10:29:44,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210534548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:44,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:44,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 10:29:44,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108971063] [2024-11-07 10:29:44,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:44,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 10:29:44,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 10:29:44,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-07 10:29:44,679 INFO L87 Difference]: Start difference. First operand 2018 states and 2360 transitions. Second operand has 17 states, 16 states have (on average 5.0) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:45,997 INFO L93 Difference]: Finished difference Result 5632 states and 6516 transitions. [2024-11-07 10:29:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 10:29:45,998 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.0) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) Word has length 192 [2024-11-07 10:29:45,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:46,005 INFO L225 Difference]: With dead ends: 5632 [2024-11-07 10:29:46,005 INFO L226 Difference]: Without dead ends: 3617 [2024-11-07 10:29:46,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2024-11-07 10:29:46,008 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 667 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:46,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1751 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 10:29:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2024-11-07 10:29:46,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 2203. [2024-11-07 10:29:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 2091 states have (on average 1.1453849832615972) internal successors, (2395), 2099 states have internal predecessors, (2395), 85 states have call successors, (85), 26 states have call predecessors, (85), 26 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2565 transitions. [2024-11-07 10:29:46,165 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2565 transitions. Word has length 192 [2024-11-07 10:29:46,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:46,165 INFO L471 AbstractCegarLoop]: Abstraction has 2203 states and 2565 transitions. [2024-11-07 10:29:46,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.0) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-07 10:29:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2565 transitions. [2024-11-07 10:29:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-07 10:29:46,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:46,168 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:46,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-07 10:29:46,168 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:46,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1358301207, now seen corresponding path program 1 times [2024-11-07 10:29:46,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:46,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160478841] [2024-11-07 10:29:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:29:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:29:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 10:29:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 10:29:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:29:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:29:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:29:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:29:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:29:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 10:29:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 10:29:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 10:29:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 10:29:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 10:29:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 10:29:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 10:29:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 10:29:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 10:29:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 10:29:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 10:29:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 10:29:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 10:29:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 10:29:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:29:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 10:29:47,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:29:47,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160478841] [2024-11-07 10:29:47,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160478841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:29:47,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:29:47,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 10:29:47,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109201080] [2024-11-07 10:29:47,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:29:47,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 10:29:47,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:29:47,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 10:29:47,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 10:29:47,058 INFO L87 Difference]: Start difference. First operand 2203 states and 2565 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:29:47,544 INFO L93 Difference]: Finished difference Result 4206 states and 4902 transitions. [2024-11-07 10:29:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:29:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 192 [2024-11-07 10:29:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:29:47,550 INFO L225 Difference]: With dead ends: 4206 [2024-11-07 10:29:47,550 INFO L226 Difference]: Without dead ends: 2006 [2024-11-07 10:29:47,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-07 10:29:47,554 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 297 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 10:29:47,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 555 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 10:29:47,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2024-11-07 10:29:47,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1988. [2024-11-07 10:29:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1876 states have (on average 1.140724946695096) internal successors, (2140), 1884 states have internal predecessors, (2140), 85 states have call successors, (85), 26 states have call predecessors, (85), 26 states have return successors, (85), 77 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 10:29:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2310 transitions. [2024-11-07 10:29:47,697 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2310 transitions. Word has length 192 [2024-11-07 10:29:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:29:47,697 INFO L471 AbstractCegarLoop]: Abstraction has 1988 states and 2310 transitions. [2024-11-07 10:29:47,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 10:29:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2310 transitions. [2024-11-07 10:29:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-07 10:29:47,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:29:47,700 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:47,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-07 10:29:47,700 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:29:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:29:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1417294, now seen corresponding path program 1 times [2024-11-07 10:29:47,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:29:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497192915] [2024-11-07 10:29:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:29:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:29:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat