./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_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_fillercodestructure_filler-ps-co_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', '8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-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 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:11:08,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:11:08,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:11:08,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:11:08,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:11:08,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:11:08,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:11:08,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:11:08,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:11:08,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:11:08,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:11:08,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:11:08,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:11:08,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:11:08,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:11:08,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:11:08,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:11:08,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:11:08,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:11:08,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:11:08,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:11:08,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:11:08,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:11:08,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:11:08,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:11:08,825 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 -> 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee [2024-11-07 07:11:09,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:11:09,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:11:09,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:11:09,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:11:09,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:11:09,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-07 07:11:10,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:11:10,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:11:10,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-07 07:11:10,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/acc86d4c5/f754ee634e334424aae13387021f95c9/FLAGf5f8c397b [2024-11-07 07:11:10,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/acc86d4c5/f754ee634e334424aae13387021f95c9 [2024-11-07 07:11:10,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:11:10,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:11:10,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:11:10,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:11:10,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:11:10,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8aebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10, skipping insertion in model container [2024-11-07 07:11:10,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:11:10,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-07 07:11:10,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:11:10,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:11:10,799 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-07 07:11:10,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:11:10,872 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:11:10,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10 WrapperNode [2024-11-07 07:11:10,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:11:10,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:11:10,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:11:10,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:11:10,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,933 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-11-07 07:11:10,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:11:10,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:11:10,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:11:10,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:11:10,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,973 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:11:10,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:10,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:11,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:11,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:11:11,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:11:11,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:11:11,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:11:11,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (1/1) ... [2024-11-07 07:11:11,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:11:11,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:11:11,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:11:11,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:11:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:11:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:11:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:11:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:11:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:11:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:11:11,163 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:11:11,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:11:11,627 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-07 07:11:11,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:11:11,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:11:11,635 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:11:11,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:11 BoogieIcfgContainer [2024-11-07 07:11:11,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:11:11,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:11:11,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:11:11,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:11:11,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:11:10" (1/3) ... [2024-11-07 07:11:11,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:11:11, skipping insertion in model container [2024-11-07 07:11:11,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:10" (2/3) ... [2024-11-07 07:11:11,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:11:11, skipping insertion in model container [2024-11-07 07:11:11,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:11" (3/3) ... [2024-11-07 07:11:11,642 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-07 07:11:11,651 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:11:11,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:11:11,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:11:11,708 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;@730b1a4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:11:11,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:11:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 94 states have (on average 1.425531914893617) internal successors, (134), 95 states have internal predecessors, (134), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 07:11:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-07 07:11:11,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:11,724 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:11,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:11,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash -540524557, now seen corresponding path program 1 times [2024-11-07 07:11:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:11,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907180154] [2024-11-07 07:11:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:12,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:12,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907180154] [2024-11-07 07:11:12,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907180154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:12,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:12,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:11:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902206742] [2024-11-07 07:11:12,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:12,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:11:12,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:12,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:11:12,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:11:12,250 INFO L87 Difference]: Start difference. First operand has 139 states, 94 states have (on average 1.425531914893617) internal successors, (134), 95 states have internal predecessors, (134), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:11:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:11:12,279 INFO L93 Difference]: Finished difference Result 271 states and 472 transitions. [2024-11-07 07:11:12,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:11:12,280 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-07 07:11:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:11:12,286 INFO L225 Difference]: With dead ends: 271 [2024-11-07 07:11:12,286 INFO L226 Difference]: Without dead ends: 135 [2024-11-07 07:11:12,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:11:12,293 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:11:12,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:11:12,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-07 07:11:12,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-07 07:11:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 07:11:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 211 transitions. [2024-11-07 07:11:12,340 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 211 transitions. Word has length 263 [2024-11-07 07:11:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:11:12,343 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 211 transitions. [2024-11-07 07:11:12,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:11:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2024-11-07 07:11:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-07 07:11:12,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:12,349 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:12,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:11:12,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:12,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:12,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1472034875, now seen corresponding path program 1 times [2024-11-07 07:11:12,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:12,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825340289] [2024-11-07 07:11:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:12,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:12,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:12,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825340289] [2024-11-07 07:11:12,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825340289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:12,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:12,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:11:12,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554887347] [2024-11-07 07:11:12,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:13,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:11:13,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:13,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:11:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:11:13,003 INFO L87 Difference]: Start difference. First operand 135 states and 211 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:11:13,096 INFO L93 Difference]: Finished difference Result 368 states and 582 transitions. [2024-11-07 07:11:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:11:13,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-07 07:11:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:11:13,099 INFO L225 Difference]: With dead ends: 368 [2024-11-07 07:11:13,099 INFO L226 Difference]: Without dead ends: 236 [2024-11-07 07:11:13,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:11:13,103 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 91 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:11:13,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 401 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:11:13,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-07 07:11:13,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2024-11-07 07:11:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 129 states have internal predecessors, (171), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 07:11:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 339 transitions. [2024-11-07 07:11:13,141 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 339 transitions. Word has length 263 [2024-11-07 07:11:13,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:11:13,143 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 339 transitions. [2024-11-07 07:11:13,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 339 transitions. [2024-11-07 07:11:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-07 07:11:13,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:13,148 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:13,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:11:13,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:13,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -467416965, now seen corresponding path program 1 times [2024-11-07 07:11:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:13,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195697009] [2024-11-07 07:11:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:13,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:13,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195697009] [2024-11-07 07:11:13,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195697009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:13,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:13,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:11:13,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34202338] [2024-11-07 07:11:13,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:13,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:11:13,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:13,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:11:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:11:13,685 INFO L87 Difference]: Start difference. First operand 216 states and 339 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:11:13,909 INFO L93 Difference]: Finished difference Result 400 states and 625 transitions. [2024-11-07 07:11:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:11:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-07 07:11:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:11:13,914 INFO L225 Difference]: With dead ends: 400 [2024-11-07 07:11:13,916 INFO L226 Difference]: Without dead ends: 268 [2024-11-07 07:11:13,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:11:13,917 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:11:13,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 601 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:11:13,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-07 07:11:13,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 234. [2024-11-07 07:11:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 147 states have internal predecessors, (199), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 07:11:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 367 transitions. [2024-11-07 07:11:13,962 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 367 transitions. Word has length 263 [2024-11-07 07:11:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:11:13,964 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 367 transitions. [2024-11-07 07:11:13,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 367 transitions. [2024-11-07 07:11:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-07 07:11:13,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:13,967 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:13,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:11:13,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:13,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:13,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1524347362, now seen corresponding path program 1 times [2024-11-07 07:11:13,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:13,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175466656] [2024-11-07 07:11:13,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:13,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:29,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175466656] [2024-11-07 07:11:29,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175466656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:29,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:29,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:11:29,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854387946] [2024-11-07 07:11:29,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:29,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:11:29,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:11:29,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:11:29,774 INFO L87 Difference]: Start difference. First operand 234 states and 367 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:11:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:11:31,062 INFO L93 Difference]: Finished difference Result 606 states and 923 transitions. [2024-11-07 07:11:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:11:31,063 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-07 07:11:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:11:31,071 INFO L225 Difference]: With dead ends: 606 [2024-11-07 07:11:31,071 INFO L226 Difference]: Without dead ends: 474 [2024-11-07 07:11:31,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2024-11-07 07:11:31,073 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 551 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:11:31,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1158 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:11:31,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-07 07:11:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 363. [2024-11-07 07:11:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 230 states have (on average 1.317391304347826) internal successors, (303), 231 states have internal predecessors, (303), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 07:11:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 555 transitions. [2024-11-07 07:11:31,142 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 555 transitions. Word has length 264 [2024-11-07 07:11:31,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:11:31,143 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 555 transitions. [2024-11-07 07:11:31,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:11:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 555 transitions. [2024-11-07 07:11:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-07 07:11:31,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:31,146 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:31,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:11:31,146 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:31,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:31,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1183337378, now seen corresponding path program 1 times [2024-11-07 07:11:31,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:31,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526432706] [2024-11-07 07:11:31,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:31,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:47,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:47,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526432706] [2024-11-07 07:11:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526432706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:47,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:47,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:11:47,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503513596] [2024-11-07 07:11:47,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:47,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:11:47,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:47,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:11:47,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:11:47,503 INFO L87 Difference]: Start difference. First operand 363 states and 555 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:11:49,061 INFO L93 Difference]: Finished difference Result 775 states and 1158 transitions. [2024-11-07 07:11:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:11:49,062 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 264 [2024-11-07 07:11:49,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:11:49,067 INFO L225 Difference]: With dead ends: 775 [2024-11-07 07:11:49,067 INFO L226 Difference]: Without dead ends: 489 [2024-11-07 07:11:49,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=183, Invalid=323, Unknown=0, NotChecked=0, Total=506 [2024-11-07 07:11:49,070 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 473 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:11:49,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1130 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:11:49,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-07 07:11:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 376. [2024-11-07 07:11:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 244 states have internal predecessors, (321), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 07:11:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 573 transitions. [2024-11-07 07:11:49,104 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 573 transitions. Word has length 264 [2024-11-07 07:11:49,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:11:49,105 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 573 transitions. [2024-11-07 07:11:49,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-07 07:11:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 573 transitions. [2024-11-07 07:11:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-07 07:11:49,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:11:49,108 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:11:49,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:11:49,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:11:49,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:11:49,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1963504478, now seen corresponding path program 1 times [2024-11-07 07:11:49,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:11:49,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284692487] [2024-11-07 07:11:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:11:49,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:11:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:11:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:11:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:11:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:11:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:11:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:11:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:11:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:11:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:11:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:11:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:11:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:11:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:11:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:11:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:11:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:11:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:11:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:11:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:11:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:11:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:11:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:11:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:11:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:11:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:11:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:11:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:11:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:11:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:11:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:11:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:11:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:11:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:11:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:11:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:11:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:11:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:11:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:11:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:11:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:11:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:11:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:11:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:11:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:11:59,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:11:59,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284692487] [2024-11-07 07:11:59,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284692487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:11:59,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:11:59,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:11:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345129800] [2024-11-07 07:11:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:11:59,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:11:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:11:59,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:11:59,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:11:59,977 INFO L87 Difference]: Start difference. First operand 376 states and 573 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:12:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:12:01,084 INFO L93 Difference]: Finished difference Result 760 states and 1140 transitions. [2024-11-07 07:12:01,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 07:12:01,085 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-07 07:12:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:12:01,088 INFO L225 Difference]: With dead ends: 760 [2024-11-07 07:12:01,088 INFO L226 Difference]: Without dead ends: 461 [2024-11-07 07:12:01,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-07 07:12:01,090 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 410 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:12:01,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1421 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:12:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-07 07:12:01,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 365. [2024-11-07 07:12:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 232 states have (on average 1.3146551724137931) internal successors, (305), 233 states have internal predecessors, (305), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 07:12:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 557 transitions. [2024-11-07 07:12:01,125 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 557 transitions. Word has length 264 [2024-11-07 07:12:01,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:12:01,126 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 557 transitions. [2024-11-07 07:12:01,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 07:12:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 557 transitions. [2024-11-07 07:12:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-07 07:12:01,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:12:01,130 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:12:01,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:12:01,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:12:01,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:12:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash -469797344, now seen corresponding path program 1 times [2024-11-07 07:12:01,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:12:01,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231501617] [2024-11-07 07:12:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:12:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:12:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:12:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:12:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:12:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:12:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:12:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:12:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:12:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:12:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:12:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:12:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:12:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:12:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:12:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:12:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:12:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:12:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:12:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:12:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:12:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 07:12:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:12:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:12:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:12:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:12:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 07:12:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 07:12:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 07:12:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 07:12:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-07 07:12:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 07:12:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 07:12:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 07:12:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 07:12:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 07:12:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 07:12:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 07:12:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 07:12:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 07:12:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 07:12:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 07:12:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 07:12:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 07:12:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:12:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 07:12:43,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:12:43,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231501617] [2024-11-07 07:12:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231501617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:12:43,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:12:43,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:12:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322924819] [2024-11-07 07:12:43,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:12:43,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:12:43,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:12:43,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:12:43,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:12:43,520 INFO L87 Difference]: Start difference. First operand 365 states and 557 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42)