./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.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-pe-co_file-73.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', '514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db'] 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-pe-co_file-73.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 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:12:25,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:12:25,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:12:25,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:12:25,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:12:25,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:12:25,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:12:25,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:12:25,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:12:25,733 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:12:25,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:12:25,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:12:25,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:12:25,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:12:25,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:12:25,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:12:25,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:12:25,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:12:25,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:12:25,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:12:25,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:12:25,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:12:25,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:12:25,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:12:25,738 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 -> 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db [2024-11-07 06:12:26,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:12:26,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:12:26,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:12:26,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:12:26,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:12:26,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-07 06:12:27,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:12:27,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:12:27,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-07 06:12:28,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/43db7269c/77ee11a2f9c74a1b96744a7801d9986b/FLAG91f2bedb4 [2024-11-07 06:12:28,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/43db7269c/77ee11a2f9c74a1b96744a7801d9986b [2024-11-07 06:12:28,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:12:28,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:12:28,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:12:28,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:12:28,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:12:28,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4932ae15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28, skipping insertion in model container [2024-11-07 06:12:28,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:12:28,232 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-pe-co_file-73.i[919,932] [2024-11-07 06:12:28,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:12:28,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:12:28,378 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-pe-co_file-73.i[919,932] [2024-11-07 06:12:28,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:12:28,444 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:12:28,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28 WrapperNode [2024-11-07 06:12:28,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:12:28,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:12:28,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:12:28,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:12:28,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,534 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-07 06:12:28,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:12:28,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:12:28,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:12:28,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:12:28,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,587 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 06:12:28,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:12:28,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:12:28,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:12:28,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:12:28,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (1/1) ... [2024-11-07 06:12:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:12:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:12:28,674 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 06:12:28,683 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 06:12:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:12:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:12:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:12:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:12:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:12:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:12:28,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:12:28,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:12:29,332 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 06:12:29,333 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:12:29,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:12:29,346 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:12:29,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:12:29 BoogieIcfgContainer [2024-11-07 06:12:29,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:12:29,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:12:29,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:12:29,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:12:29,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:12:28" (1/3) ... [2024-11-07 06:12:29,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9763da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:12:29, skipping insertion in model container [2024-11-07 06:12:29,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:12:28" (2/3) ... [2024-11-07 06:12:29,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9763da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:12:29, skipping insertion in model container [2024-11-07 06:12:29,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:12:29" (3/3) ... [2024-11-07 06:12:29,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-07 06:12:29,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:12:29,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:12:29,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:12:29,457 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;@573b4053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:12:29,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:12:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 06:12:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-07 06:12:29,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:29,479 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:29,480 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:29,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1655788995, now seen corresponding path program 1 times [2024-11-07 06:12:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203877546] [2024-11-07 06:12:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:29,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 06:12:30,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:30,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203877546] [2024-11-07 06:12:30,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203877546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:12:30,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:12:30,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:12:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939643503] [2024-11-07 06:12:30,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:12:30,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:12:30,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:30,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:12:30,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:12:30,316 INFO L87 Difference]: Start difference. First operand has 113 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-07 06:12:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:30,364 INFO L93 Difference]: Finished difference Result 219 states and 390 transitions. [2024-11-07 06:12:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:12:30,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 242 [2024-11-07 06:12:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:30,375 INFO L225 Difference]: With dead ends: 219 [2024-11-07 06:12:30,376 INFO L226 Difference]: Without dead ends: 109 [2024-11-07 06:12:30,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 06:12:30,386 INFO L432 NwaCegarLoop]: 171 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, 171 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 06:12:30,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:12:30,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-07 06:12:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-07 06:12:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 06:12:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-11-07 06:12:30,452 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 242 [2024-11-07 06:12:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:30,453 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-11-07 06:12:30,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-07 06:12:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-11-07 06:12:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-07 06:12:30,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:30,459 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:30,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:12:30,459 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:30,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1031790015, now seen corresponding path program 1 times [2024-11-07 06:12:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:30,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571615177] [2024-11-07 06:12:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:30,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 06:12:31,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:31,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571615177] [2024-11-07 06:12:31,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571615177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:12:31,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:12:31,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:12:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391898719] [2024-11-07 06:12:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:12:31,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:12:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:31,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:12:31,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:12:31,009 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:31,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:31,097 INFO L93 Difference]: Finished difference Result 277 states and 432 transitions. [2024-11-07 06:12:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:12:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 242 [2024-11-07 06:12:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:31,106 INFO L225 Difference]: With dead ends: 277 [2024-11-07 06:12:31,106 INFO L226 Difference]: Without dead ends: 171 [2024-11-07 06:12:31,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 06:12:31,111 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 90 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:12:31,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 388 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:12:31,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-07 06:12:31,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-07 06:12:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 107 states have internal predecessors, (142), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 06:12:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 260 transitions. [2024-11-07 06:12:31,160 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 260 transitions. Word has length 242 [2024-11-07 06:12:31,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:31,162 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 260 transitions. [2024-11-07 06:12:31,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 260 transitions. [2024-11-07 06:12:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-07 06:12:31,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:31,169 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:31,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:12:31,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:31,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:31,170 INFO L85 PathProgramCache]: Analyzing trace with hash 486947855, now seen corresponding path program 1 times [2024-11-07 06:12:31,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:31,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189594530] [2024-11-07 06:12:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:31,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 06:12:31,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:31,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189594530] [2024-11-07 06:12:31,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189594530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:12:31,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:12:31,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:12:31,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375574859] [2024-11-07 06:12:31,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:12:31,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:12:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:12:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:12:31,760 INFO L87 Difference]: Start difference. First operand 168 states and 260 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:31,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:31,815 INFO L93 Difference]: Finished difference Result 335 states and 521 transitions. [2024-11-07 06:12:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:12:31,817 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 243 [2024-11-07 06:12:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:31,824 INFO L225 Difference]: With dead ends: 335 [2024-11-07 06:12:31,827 INFO L226 Difference]: Without dead ends: 170 [2024-11-07 06:12:31,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 06:12:31,829 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:12:31,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:12:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-07 06:12:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-07 06:12:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 109 states have internal predecessors, (144), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 06:12:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 262 transitions. [2024-11-07 06:12:31,868 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 262 transitions. Word has length 243 [2024-11-07 06:12:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:31,870 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 262 transitions. [2024-11-07 06:12:31,871 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 262 transitions. [2024-11-07 06:12:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-07 06:12:31,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:31,874 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:31,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:12:31,875 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:31,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1232380791, now seen corresponding path program 1 times [2024-11-07 06:12:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:31,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863017261] [2024-11-07 06:12:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:31,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 06:12:32,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863017261] [2024-11-07 06:12:32,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863017261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:12:32,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:12:32,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:12:32,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819730930] [2024-11-07 06:12:32,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:12:32,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:12:32,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:32,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:12:32,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:12:32,635 INFO L87 Difference]: Start difference. First operand 170 states and 262 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:33,195 INFO L93 Difference]: Finished difference Result 656 states and 985 transitions. [2024-11-07 06:12:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 06:12:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 244 [2024-11-07 06:12:33,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:33,207 INFO L225 Difference]: With dead ends: 656 [2024-11-07 06:12:33,207 INFO L226 Difference]: Without dead ends: 489 [2024-11-07 06:12:33,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 06:12:33,211 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 330 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:12:33,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 638 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 06:12:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-07 06:12:33,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 454. [2024-11-07 06:12:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 291 states have (on average 1.288659793814433) internal successors, (375), 298 states have internal predecessors, (375), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-07 06:12:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 683 transitions. [2024-11-07 06:12:33,309 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 683 transitions. Word has length 244 [2024-11-07 06:12:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:33,310 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 683 transitions. [2024-11-07 06:12:33,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 683 transitions. [2024-11-07 06:12:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-07 06:12:33,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:33,332 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:12:33,333 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:33,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash -800056439, now seen corresponding path program 1 times [2024-11-07 06:12:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:33,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589160361] [2024-11-07 06:12:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-07 06:12:33,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:33,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589160361] [2024-11-07 06:12:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589160361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:12:33,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:12:33,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:12:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218853942] [2024-11-07 06:12:33,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:12:33,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:12:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:33,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:12:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:12:33,823 INFO L87 Difference]: Start difference. First operand 454 states and 683 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:34,017 INFO L93 Difference]: Finished difference Result 1344 states and 2025 transitions. [2024-11-07 06:12:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:12:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 244 [2024-11-07 06:12:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:34,026 INFO L225 Difference]: With dead ends: 1344 [2024-11-07 06:12:34,027 INFO L226 Difference]: Without dead ends: 893 [2024-11-07 06:12:34,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 06:12:34,030 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 145 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:12:34,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 409 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:12:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-11-07 06:12:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 524. [2024-11-07 06:12:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 361 states have (on average 1.3545706371191135) internal successors, (489), 368 states have internal predecessors, (489), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-07 06:12:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 797 transitions. [2024-11-07 06:12:34,169 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 797 transitions. Word has length 244 [2024-11-07 06:12:34,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:34,170 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 797 transitions. [2024-11-07 06:12:34,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-07 06:12:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 797 transitions. [2024-11-07 06:12:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-07 06:12:34,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:34,174 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:34,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:12:34,174 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:34,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:34,175 INFO L85 PathProgramCache]: Analyzing trace with hash 974950923, now seen corresponding path program 1 times [2024-11-07 06:12:34,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:34,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571521470] [2024-11-07 06:12:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-07 06:12:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571521470] [2024-11-07 06:12:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571521470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 06:12:35,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003829419] [2024-11-07 06:12:35,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:35,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:12:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:12:35,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 06:12:35,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 06:12:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:36,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 06:12:36,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:12:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1063 proven. 84 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2024-11-07 06:12:37,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 06:12:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-07 06:12:40,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003829419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 06:12:40,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 06:12:40,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-07 06:12:40,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128825912] [2024-11-07 06:12:40,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 06:12:40,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 06:12:40,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:12:40,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 06:12:40,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:12:40,191 INFO L87 Difference]: Start difference. First operand 524 states and 797 transitions. Second operand has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) [2024-11-07 06:12:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:12:43,001 INFO L93 Difference]: Finished difference Result 2887 states and 4318 transitions. [2024-11-07 06:12:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 06:12:43,002 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) Word has length 244 [2024-11-07 06:12:43,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:12:43,023 INFO L225 Difference]: With dead ends: 2887 [2024-11-07 06:12:43,023 INFO L226 Difference]: Without dead ends: 2366 [2024-11-07 06:12:43,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=373, Invalid=1109, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 06:12:43,030 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 966 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 06:12:43,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 1343 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 06:12:43,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-07 06:12:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 1485. [2024-11-07 06:12:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1038 states have (on average 1.3477842003853564) internal successors, (1399), 1060 states have internal predecessors, (1399), 418 states have call successors, (418), 28 states have call predecessors, (418), 28 states have return successors, (418), 396 states have call predecessors, (418), 418 states have call successors, (418) [2024-11-07 06:12:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2235 transitions. [2024-11-07 06:12:43,373 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2235 transitions. Word has length 244 [2024-11-07 06:12:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:12:43,374 INFO L471 AbstractCegarLoop]: Abstraction has 1485 states and 2235 transitions. [2024-11-07 06:12:43,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) [2024-11-07 06:12:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2235 transitions. [2024-11-07 06:12:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-07 06:12:43,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:12:43,382 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:43,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 06:12:43,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:12:43,584 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:12:43,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:12:43,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1484424013, now seen corresponding path program 1 times [2024-11-07 06:12:43,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:12:43,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116031259] [2024-11-07 06:12:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:12:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:12:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 06:12:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 06:12:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 06:12:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 06:12:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 06:12:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 06:12:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 06:12:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 06:12:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 06:12:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 06:12:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 06:12:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 06:12:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 06:12:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 06:12:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 06:12:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 06:12:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 06:12:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 06:12:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 06:12:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:12:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:12:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:12:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:12:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:12:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:12:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 06:12:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 06:12:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 06:12:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:12:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:12:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 06:12:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 06:12:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 06:12:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 06:12:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 06:12:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 06:12:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 06:12:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 126 proven. 90 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-11-07 06:12:52,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:12:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116031259] [2024-11-07 06:12:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116031259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 06:12:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058500092] [2024-11-07 06:12:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:12:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:12:52,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:12:52,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 06:12:52,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 06:12:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:12:52,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-07 06:12:52,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:13:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2073 proven. 252 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-11-07 06:13:07,361 INFO L311 TraceCheckSpWp]: Computing backward predicates...