./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.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', '1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.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 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:40:02,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:40:03,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:40:03,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:40:03,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:40:03,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:40:03,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:40:03,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:40:03,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:40:03,087 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:40:03,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:40:03,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:40:03,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:40:03,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:40:03,089 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:40:03,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:40:03,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:40:03,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:40:03,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:40:03,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:40:03,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:40:03,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:40:03,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:40:03,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:40:03,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:40:03,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:40:03,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:40:03,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:40:03,094 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 -> 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 [2024-11-07 04:40:03,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:40:03,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:40:03,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:40:03,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:40:03,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:40:03,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-11-07 04:40:04,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:40:05,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:40:05,019 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-11-07 04:40:05,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93b751468/982638f406ee49039966f728612ec6f5/FLAG4e7b9c271 [2024-11-07 04:40:05,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93b751468/982638f406ee49039966f728612ec6f5 [2024-11-07 04:40:05,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:40:05,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:40:05,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:40:05,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:40:05,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:40:05,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403a495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05, skipping insertion in model container [2024-11-07 04:40:05,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:40:05,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-11-07 04:40:05,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:40:05,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:40:05,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-11-07 04:40:05,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:40:05,436 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:40:05,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05 WrapperNode [2024-11-07 04:40:05,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:40:05,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:40:05,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:40:05,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:40:05,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,529 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 343 [2024-11-07 04:40:05,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:40:05,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:40:05,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:40:05,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:40:05,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,588 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 04:40:05,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:40:05,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:40:05,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:40:05,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:40:05,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (1/1) ... [2024-11-07 04:40:05,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:40:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:40:05,671 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 04:40:05,674 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 04:40:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:40:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:40:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:40:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:40:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:40:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:40:05,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:40:05,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:40:06,497 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-07 04:40:06,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:40:06,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:40:06,513 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:40:06,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:06 BoogieIcfgContainer [2024-11-07 04:40:06,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:40:06,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:40:06,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:40:06,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:40:06,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:40:05" (1/3) ... [2024-11-07 04:40:06,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184b35cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:06, skipping insertion in model container [2024-11-07 04:40:06,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:05" (2/3) ... [2024-11-07 04:40:06,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184b35cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:06, skipping insertion in model container [2024-11-07 04:40:06,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:06" (3/3) ... [2024-11-07 04:40:06,523 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-11-07 04:40:06,538 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:40:06,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:40:06,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:40:06,607 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;@55f2a5e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:40:06,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:40:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-07 04:40:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-07 04:40:06,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:06,629 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:06,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:06,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:06,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1387648609, now seen corresponding path program 1 times [2024-11-07 04:40:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:06,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861218905] [2024-11-07 04:40:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:40:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:40:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:40:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:40:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:40:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:40:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:40:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:40:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:40:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:40:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:40:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:40:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:40:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:40:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:40:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:40:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:40:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:40:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:40:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:40:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:40:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:40:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:40:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:40:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:40:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:40:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:40:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:40:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:40:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:40:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:40:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:40:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:40:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:40:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:40:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:40:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:40:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:40:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:40:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:40:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:40:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:40:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:40:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:40:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:40:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:40:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:40:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:40:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:40:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:40:07,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:40:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861218905] [2024-11-07 04:40:07,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861218905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:40:07,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:40:07,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:40:07,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105133379] [2024-11-07 04:40:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:40:07,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:40:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:40:07,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:40:07,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:40:07,675 INFO L87 Difference]: Start difference. First operand has 150 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:07,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:40:07,805 INFO L93 Difference]: Finished difference Result 394 states and 715 transitions. [2024-11-07 04:40:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:40:07,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 309 [2024-11-07 04:40:07,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:40:07,819 INFO L225 Difference]: With dead ends: 394 [2024-11-07 04:40:07,819 INFO L226 Difference]: Without dead ends: 247 [2024-11-07 04:40:07,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 04:40:07,831 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 160 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:40:07,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 534 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:40:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-07 04:40:07,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2024-11-07 04:40:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 166 states have (on average 1.4518072289156627) internal successors, (241), 167 states have internal predecessors, (241), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-07 04:40:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 391 transitions. [2024-11-07 04:40:07,936 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 391 transitions. Word has length 309 [2024-11-07 04:40:07,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:40:07,937 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 391 transitions. [2024-11-07 04:40:07,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 391 transitions. [2024-11-07 04:40:07,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-07 04:40:07,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:07,947 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:07,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:40:07,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:07,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:07,948 INFO L85 PathProgramCache]: Analyzing trace with hash 21187039, now seen corresponding path program 1 times [2024-11-07 04:40:07,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:07,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713480976] [2024-11-07 04:40:07,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:07,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:40:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:40:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:40:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:40:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:40:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:40:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:40:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:40:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:40:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:40:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:40:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:40:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:40:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:40:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:40:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:40:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:40:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:40:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:40:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:40:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:40:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:40:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:40:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:40:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:40:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:40:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:40:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:40:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:40:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:40:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:40:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:40:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:40:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:40:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:40:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:40:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:40:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:40:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:40:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:40:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:40:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:40:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:40:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:40:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:40:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:40:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:40:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:40:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:40:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:40:08,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:40:08,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713480976] [2024-11-07 04:40:08,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713480976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:40:08,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:40:08,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 04:40:08,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920175701] [2024-11-07 04:40:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:40:08,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 04:40:08,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:40:08,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 04:40:08,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 04:40:08,654 INFO L87 Difference]: Start difference. First operand 244 states and 391 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:08,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:40:08,742 INFO L93 Difference]: Finished difference Result 726 states and 1167 transitions. [2024-11-07 04:40:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 04:40:08,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 309 [2024-11-07 04:40:08,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:40:08,755 INFO L225 Difference]: With dead ends: 726 [2024-11-07 04:40:08,755 INFO L226 Difference]: Without dead ends: 485 [2024-11-07 04:40:08,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 04:40:08,760 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 141 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 04:40:08,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 522 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:40:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-07 04:40:08,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 481. [2024-11-07 04:40:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 326 states have (on average 1.4478527607361964) internal successors, (472), 328 states have internal predecessors, (472), 150 states have call successors, (150), 4 states have call predecessors, (150), 4 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-07 04:40:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 772 transitions. [2024-11-07 04:40:08,881 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 772 transitions. Word has length 309 [2024-11-07 04:40:08,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:40:08,882 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 772 transitions. [2024-11-07 04:40:08,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 772 transitions. [2024-11-07 04:40:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-07 04:40:08,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:08,887 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:08,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 04:40:08,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:08,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:08,889 INFO L85 PathProgramCache]: Analyzing trace with hash 828180655, now seen corresponding path program 1 times [2024-11-07 04:40:08,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:08,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096306305] [2024-11-07 04:40:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:08,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:40:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:40:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:40:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:40:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:40:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:40:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:40:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:40:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:40:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:40:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:40:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:40:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:40:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:40:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:40:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:40:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:40:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:40:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:40:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:40:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:40:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:40:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:40:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:40:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:40:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:40:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:40:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:40:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:40:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:40:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:40:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:40:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:40:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:40:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:40:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:40:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:40:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:40:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:40:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:40:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:40:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:40:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:40:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:40:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:40:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:40:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:40:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:40:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:40:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:40:09,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:40:09,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096306305] [2024-11-07 04:40:09,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096306305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:40:09,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:40:09,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 04:40:09,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609557120] [2024-11-07 04:40:09,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:40:09,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 04:40:09,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:40:09,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 04:40:09,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 04:40:09,514 INFO L87 Difference]: Start difference. First operand 481 states and 772 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:40:09,863 INFO L93 Difference]: Finished difference Result 1268 states and 2040 transitions. [2024-11-07 04:40:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 04:40:09,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 311 [2024-11-07 04:40:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:40:09,875 INFO L225 Difference]: With dead ends: 1268 [2024-11-07 04:40:09,875 INFO L226 Difference]: Without dead ends: 790 [2024-11-07 04:40:09,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 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 04:40:09,878 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 175 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 04:40:09,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 679 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 04:40:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-07 04:40:09,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 660. [2024-11-07 04:40:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 454 states have (on average 1.4889867841409692) internal successors, (676), 456 states have internal predecessors, (676), 199 states have call successors, (199), 6 states have call predecessors, (199), 6 states have return successors, (199), 197 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-07 04:40:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1074 transitions. [2024-11-07 04:40:10,012 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1074 transitions. Word has length 311 [2024-11-07 04:40:10,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:40:10,013 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 1074 transitions. [2024-11-07 04:40:10,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-07 04:40:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1074 transitions. [2024-11-07 04:40:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-07 04:40:10,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:10,020 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:10,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 04:40:10,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:10,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1345824172, now seen corresponding path program 1 times [2024-11-07 04:40:10,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:10,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063895897] [2024-11-07 04:40:10,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:10,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:40:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:40:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:40:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:40:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:40:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:40:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:40:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:40:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:40:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:40:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:40:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:40:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:40:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:40:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:40:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:40:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:40:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:40:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:40:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:40:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:40:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:40:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:40:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:40:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:40:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:40:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:40:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:40:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:40:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:40:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:40:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:40:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:40:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:40:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:40:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:40:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:40:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:40:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:40:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:40:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:40:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:40:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:40:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:40:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:40:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:40:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:40:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:40:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:40:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:40:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:40:13,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063895897] [2024-11-07 04:40:13,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063895897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:40:13,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:40:13,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 04:40:13,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266241887] [2024-11-07 04:40:13,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:40:13,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 04:40:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:40:13,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 04:40:13,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 04:40:13,293 INFO L87 Difference]: Start difference. First operand 660 states and 1074 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-07 04:40:16,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:40:16,771 INFO L93 Difference]: Finished difference Result 1612 states and 2599 transitions. [2024-11-07 04:40:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 04:40:16,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-11-07 04:40:16,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:40:16,786 INFO L225 Difference]: With dead ends: 1612 [2024-11-07 04:40:16,786 INFO L226 Difference]: Without dead ends: 1368 [2024-11-07 04:40:16,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 04:40:16,790 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 902 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 04:40:16,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 1187 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 04:40:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-07 04:40:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1075. [2024-11-07 04:40:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 746 states have (on average 1.4986595174262736) internal successors, (1118), 749 states have internal predecessors, (1118), 318 states have call successors, (318), 10 states have call predecessors, (318), 10 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-07 04:40:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1754 transitions. [2024-11-07 04:40:16,972 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1754 transitions. Word has length 312 [2024-11-07 04:40:16,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:40:16,973 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1754 transitions. [2024-11-07 04:40:16,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-07 04:40:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1754 transitions. [2024-11-07 04:40:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-07 04:40:16,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:16,977 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:16,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 04:40:16,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:16,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash 459614162, now seen corresponding path program 1 times [2024-11-07 04:40:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:16,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339156392] [2024-11-07 04:40:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:16,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:40:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:40:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:40:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:40:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:40:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:40:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:40:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:40:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:40:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:40:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:40:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:40:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:40:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:40:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:40:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:40:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:40:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:40:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:40:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:40:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:40:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:40:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:40:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:40:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:40:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:40:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:40:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:40:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:40:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:40:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:40:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:40:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:40:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:40:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:40:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:40:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:40:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:40:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:40:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:40:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:40:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:40:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:40:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:40:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:40:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:40:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:40:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:40:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:40:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:40:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:40:32,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:40:32,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339156392] [2024-11-07 04:40:32,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339156392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:40:32,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:40:32,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 04:40:32,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495364219] [2024-11-07 04:40:32,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:40:32,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 04:40:32,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:40:32,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 04:40:32,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-07 04:40:32,522 INFO L87 Difference]: Start difference. First operand 1075 states and 1754 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-07 04:40:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:40:34,745 INFO L93 Difference]: Finished difference Result 2618 states and 4119 transitions. [2024-11-07 04:40:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 04:40:34,746 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-11-07 04:40:34,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:40:34,762 INFO L225 Difference]: With dead ends: 2618 [2024-11-07 04:40:34,762 INFO L226 Difference]: Without dead ends: 1761 [2024-11-07 04:40:34,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-07 04:40:34,770 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 867 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 04:40:34,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 1442 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 04:40:34,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2024-11-07 04:40:34,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1165. [2024-11-07 04:40:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 836 states have (on average 1.4988038277511961) internal successors, (1253), 839 states have internal predecessors, (1253), 318 states have call successors, (318), 10 states have call predecessors, (318), 10 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-07 04:40:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1889 transitions. [2024-11-07 04:40:34,946 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1889 transitions. Word has length 312 [2024-11-07 04:40:34,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:40:34,946 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1889 transitions. [2024-11-07 04:40:34,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-07 04:40:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1889 transitions. [2024-11-07 04:40:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-07 04:40:34,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:40:34,950 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:34,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 04:40:34,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:40:34,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:40:34,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1139672532, now seen corresponding path program 1 times [2024-11-07 04:40:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:40:34,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456455720] [2024-11-07 04:40:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:40:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:40:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:41:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:41:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:41:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:41:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:41:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:41:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:41:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:41:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:41:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:41:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:41:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:41:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:41:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:41:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:41:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:41:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:41:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 04:41:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 04:41:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 04:41:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 04:41:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 04:41:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 04:41:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 04:41:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 04:41:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 04:41:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 04:41:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 04:41:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 04:41:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 04:41:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 04:41:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 04:41:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 04:41:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 04:41:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 04:41:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 04:41:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 04:41:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 04:41:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 04:41:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 04:41:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 04:41:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 04:41:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 04:41:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 04:41:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 04:41:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-07 04:41:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 04:41:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 04:41:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 04:41:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:41:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-07 04:41:29,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:41:29,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456455720] [2024-11-07 04:41:29,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456455720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:41:29,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:41:29,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-07 04:41:29,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957209429] [2024-11-07 04:41:29,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:41:29,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 04:41:29,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:41:29,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 04:41:29,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-07 04:41:29,574 INFO L87 Difference]: Start difference. First operand 1165 states and 1889 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)