./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.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', '1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.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 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:16:40,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:16:41,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:16:41,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:16:41,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:16:41,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:16:41,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:16:41,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:16:41,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:16:41,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:16:41,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:16:41,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:16:41,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:16:41,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:16:41,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:16:41,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:16:41,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:16:41,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:16:41,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:16:41,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:16:41,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:16:41,087 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 -> 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d [2024-11-07 07:16:41,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:16:41,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:16:41,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:16:41,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:16:41,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:16:41,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-07 07:16:42,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:16:42,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:16:42,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-07 07:16:42,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c7df693a6/50ed45688be64994a9de81972bb4f390/FLAGb46b7efe8 [2024-11-07 07:16:43,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c7df693a6/50ed45688be64994a9de81972bb4f390 [2024-11-07 07:16:43,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:16:43,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:16:43,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:16:43,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:16:43,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:16:43,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7670ff97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43, skipping insertion in model container [2024-11-07 07:16:43,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:16:43,439 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i[919,932] [2024-11-07 07:16:43,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:16:43,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:16:43,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i[919,932] [2024-11-07 07:16:43,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:16:43,710 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:16:43,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43 WrapperNode [2024-11-07 07:16:43,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:16:43,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:16:43,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:16:43,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:16:43,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,839 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-11-07 07:16:43,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:16:43,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:16:43,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:16:43,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:16:43,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,890 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:16:43,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:16:43,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:16:43,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:16:43,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:16:43,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (1/1) ... [2024-11-07 07:16:43,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:16:43,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:16:43,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:16:43,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:16:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:16:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:16:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:16:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:16:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:16:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:16:44,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:16:44,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:16:44,460 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 07:16:44,460 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:16:44,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:16:44,468 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:16:44,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:44 BoogieIcfgContainer [2024-11-07 07:16:44,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:16:44,480 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:16:44,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:16:44,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:16:44,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:16:43" (1/3) ... [2024-11-07 07:16:44,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f849ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:16:44, skipping insertion in model container [2024-11-07 07:16:44,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:43" (2/3) ... [2024-11-07 07:16:44,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f849ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:16:44, skipping insertion in model container [2024-11-07 07:16:44,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:44" (3/3) ... [2024-11-07 07:16:44,487 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-07 07:16:44,498 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:16:44,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:16:44,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:16:44,551 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;@728c7d51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:16:44,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:16:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 07:16:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 07:16:44,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:44,567 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:44,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:44,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1327474279, now seen corresponding path program 1 times [2024-11-07 07:16:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:44,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271032439] [2024-11-07 07:16:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:44,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:44,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271032439] [2024-11-07 07:16:44,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271032439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:44,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:44,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:16:44,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385387248] [2024-11-07 07:16:44,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:44,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:16:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:45,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:16:45,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:16:45,004 INFO L87 Difference]: Start difference. First operand has 97 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 07:16:45,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:45,040 INFO L93 Difference]: Finished difference Result 187 states and 332 transitions. [2024-11-07 07:16:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:16:45,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-07 07:16:45,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:45,048 INFO L225 Difference]: With dead ends: 187 [2024-11-07 07:16:45,048 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 07:16:45,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:16:45,055 INFO L432 NwaCegarLoop]: 145 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, 145 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:45,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:16:45,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 07:16:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-07 07:16:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 07:16:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 145 transitions. [2024-11-07 07:16:45,104 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 145 transitions. Word has length 215 [2024-11-07 07:16:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:45,106 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 145 transitions. [2024-11-07 07:16:45,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 07:16:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2024-11-07 07:16:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 07:16:45,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:45,111 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:45,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:16:45,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:45,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:45,112 INFO L85 PathProgramCache]: Analyzing trace with hash -994834145, now seen corresponding path program 1 times [2024-11-07 07:16:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:45,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270159626] [2024-11-07 07:16:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:45,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:45,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270159626] [2024-11-07 07:16:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270159626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:16:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484902133] [2024-11-07 07:16:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:45,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:16:45,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:45,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:16:45,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:45,615 INFO L87 Difference]: Start difference. First operand 93 states and 145 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:45,693 INFO L93 Difference]: Finished difference Result 264 states and 417 transitions. [2024-11-07 07:16:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:16:45,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-07 07:16:45,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:45,699 INFO L225 Difference]: With dead ends: 264 [2024-11-07 07:16:45,700 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 07:16:45,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:45,701 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 70 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:45,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 265 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:16:45,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 07:16:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165. [2024-11-07 07:16:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-07 07:16:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 258 transitions. [2024-11-07 07:16:45,739 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 258 transitions. Word has length 215 [2024-11-07 07:16:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:45,756 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 258 transitions. [2024-11-07 07:16:45,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2024-11-07 07:16:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 07:16:45,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:45,759 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:45,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:16:45,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:45,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:45,759 INFO L85 PathProgramCache]: Analyzing trace with hash 657432792, now seen corresponding path program 1 times [2024-11-07 07:16:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630535564] [2024-11-07 07:16:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:45,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:45,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:46,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:46,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630535564] [2024-11-07 07:16:46,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630535564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:46,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:46,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:16:46,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740188935] [2024-11-07 07:16:46,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:46,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:16:46,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:46,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:16:46,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:16:46,142 INFO L87 Difference]: Start difference. First operand 165 states and 258 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:46,226 INFO L93 Difference]: Finished difference Result 273 states and 430 transitions. [2024-11-07 07:16:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:16:46,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-07 07:16:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:46,230 INFO L225 Difference]: With dead ends: 273 [2024-11-07 07:16:46,231 INFO L226 Difference]: Without dead ends: 175 [2024-11-07 07:16:46,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:16:46,232 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 70 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:46,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 396 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:16:46,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-07 07:16:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 166. [2024-11-07 07:16:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 95 states have internal predecessors, (123), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-07 07:16:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 259 transitions. [2024-11-07 07:16:46,253 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 259 transitions. Word has length 216 [2024-11-07 07:16:46,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:46,254 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 259 transitions. [2024-11-07 07:16:46,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 259 transitions. [2024-11-07 07:16:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 07:16:46,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:46,260 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:46,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:16:46,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:46,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash -160215658, now seen corresponding path program 1 times [2024-11-07 07:16:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:46,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768364701] [2024-11-07 07:16:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:46,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:46,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768364701] [2024-11-07 07:16:46,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768364701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:46,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:46,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:16:46,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673992153] [2024-11-07 07:16:46,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:46,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:16:46,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:46,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:16:46,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:46,624 INFO L87 Difference]: Start difference. First operand 166 states and 259 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:46,684 INFO L93 Difference]: Finished difference Result 354 states and 557 transitions. [2024-11-07 07:16:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:16:46,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-07 07:16:46,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:46,687 INFO L225 Difference]: With dead ends: 354 [2024-11-07 07:16:46,687 INFO L226 Difference]: Without dead ends: 255 [2024-11-07 07:16:46,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:46,688 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 84 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:46,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 287 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:16:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-07 07:16:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2024-11-07 07:16:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.3129251700680271) internal successors, (193), 147 states have internal predecessors, (193), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 07:16:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 397 transitions. [2024-11-07 07:16:46,714 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 397 transitions. Word has length 216 [2024-11-07 07:16:46,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:46,715 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 397 transitions. [2024-11-07 07:16:46,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 397 transitions. [2024-11-07 07:16:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-07 07:16:46,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:46,717 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:46,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:16:46,717 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:46,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:46,718 INFO L85 PathProgramCache]: Analyzing trace with hash -880812325, now seen corresponding path program 1 times [2024-11-07 07:16:46,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:46,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990395024] [2024-11-07 07:16:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:46,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:46,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990395024] [2024-11-07 07:16:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990395024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:47,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:47,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:16:47,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483453791] [2024-11-07 07:16:47,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:47,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:16:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:47,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:16:47,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:16:47,006 INFO L87 Difference]: Start difference. First operand 253 states and 397 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:47,074 INFO L93 Difference]: Finished difference Result 450 states and 710 transitions. [2024-11-07 07:16:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:16:47,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-07 07:16:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:47,078 INFO L225 Difference]: With dead ends: 450 [2024-11-07 07:16:47,078 INFO L226 Difference]: Without dead ends: 264 [2024-11-07 07:16:47,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:16:47,079 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 65 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:47,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 397 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:16:47,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-07 07:16:47,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 253. [2024-11-07 07:16:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.3061224489795917) internal successors, (192), 147 states have internal predecessors, (192), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 07:16:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 396 transitions. [2024-11-07 07:16:47,107 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 396 transitions. Word has length 218 [2024-11-07 07:16:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:47,107 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 396 transitions. [2024-11-07 07:16:47,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 396 transitions. [2024-11-07 07:16:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-07 07:16:47,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:47,109 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:47,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:16:47,110 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:47,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:47,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1698460775, now seen corresponding path program 1 times [2024-11-07 07:16:47,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:47,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869820502] [2024-11-07 07:16:47,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:47,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869820502] [2024-11-07 07:16:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869820502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:16:47,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780999929] [2024-11-07 07:16:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:47,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:16:47,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:47,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:16:47,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:47,449 INFO L87 Difference]: Start difference. First operand 253 states and 396 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:47,489 INFO L93 Difference]: Finished difference Result 443 states and 697 transitions. [2024-11-07 07:16:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:16:47,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-07 07:16:47,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:47,492 INFO L225 Difference]: With dead ends: 443 [2024-11-07 07:16:47,492 INFO L226 Difference]: Without dead ends: 259 [2024-11-07 07:16:47,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:47,494 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 56 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:47,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 276 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:16:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-07 07:16:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2024-11-07 07:16:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.2925170068027212) internal successors, (190), 147 states have internal predecessors, (190), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-07 07:16:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 394 transitions. [2024-11-07 07:16:47,528 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 394 transitions. Word has length 218 [2024-11-07 07:16:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:47,528 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 394 transitions. [2024-11-07 07:16:47,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 394 transitions. [2024-11-07 07:16:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-07 07:16:47,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:47,530 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:47,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:16:47,530 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:47,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2045237675, now seen corresponding path program 1 times [2024-11-07 07:16:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314401072] [2024-11-07 07:16:47,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:16:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:16:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:16:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:16:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:16:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:16:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:16:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:16:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:16:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:16:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:16:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:16:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:16:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:16:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:16:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:16:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:16:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:16:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:16:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:16:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:16:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:16:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:16:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:16:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 07:16:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 07:16:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:16:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 07:16:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:16:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 07:16:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:16:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 07:16:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 07:16:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 07:16:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:16:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-07 07:16:47,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:16:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314401072] [2024-11-07 07:16:47,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314401072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:16:47,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:16:47,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:16:47,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709496882] [2024-11-07 07:16:47,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:16:47,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:16:47,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:16:47,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:16:47,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:47,814 INFO L87 Difference]: Start difference. First operand 253 states and 394 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:16:47,857 INFO L93 Difference]: Finished difference Result 609 states and 958 transitions. [2024-11-07 07:16:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:16:47,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-07 07:16:47,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:16:47,861 INFO L225 Difference]: With dead ends: 609 [2024-11-07 07:16:47,861 INFO L226 Difference]: Without dead ends: 431 [2024-11-07 07:16:47,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:16:47,863 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 74 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:16:47,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 278 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:16:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-07 07:16:47,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2024-11-07 07:16:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 253 states have (on average 1.3043478260869565) internal successors, (330), 253 states have internal predecessors, (330), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-07 07:16:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 670 transitions. [2024-11-07 07:16:47,903 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 670 transitions. Word has length 219 [2024-11-07 07:16:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:16:47,904 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 670 transitions. [2024-11-07 07:16:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-07 07:16:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 670 transitions. [2024-11-07 07:16:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-07 07:16:47,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:16:47,906 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:16:47,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:16:47,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:16:47,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:16:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash 920378121, now seen corresponding path program 1 times [2024-11-07 07:16:47,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:16:47,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560839212] [2024-11-07 07:16:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:16:47,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:16:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat