./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072'] 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-cn_file-10.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:53:32,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:53:32,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:53:32,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:53:32,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:53:32,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:53:32,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:53:32,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:53:32,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:53:32,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:53:32,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:53:32,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:53:32,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:53:32,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:53:32,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:53:32,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:53:32,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:53:32,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:53:32,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:53:32,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:53:32,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:53:32,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:53:32,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:53:32,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:53:32,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:53:32,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:53:32,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:53:32,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:53:32,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:53:32,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:53:32,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:53:32,379 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 -> eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 [2024-11-07 05:53:32,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:53:32,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:53:32,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:53:32,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:53:32,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:53:32,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-07 05:53:34,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:53:34,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:53:34,237 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-07 05:53:34,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d4bc7204e/20f2ac426f0d4262af965ebfdd066fa6/FLAG732a67c54 [2024-11-07 05:53:34,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d4bc7204e/20f2ac426f0d4262af965ebfdd066fa6 [2024-11-07 05:53:34,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:53:34,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:53:34,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:53:34,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:53:34,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:53:34,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f415335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34, skipping insertion in model container [2024-11-07 05:53:34,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:53:34,422 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-cn_file-10.i[919,932] [2024-11-07 05:53:34,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:53:34,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:53:34,526 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-cn_file-10.i[919,932] [2024-11-07 05:53:34,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:53:34,602 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:53:34,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34 WrapperNode [2024-11-07 05:53:34,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:53:34,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:53:34,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:53:34,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:53:34,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,691 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-11-07 05:53:34,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:53:34,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:53:34,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:53:34,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:53:34,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,745 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 05:53:34,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:53:34,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:53:34,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:53:34,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:53:34,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (1/1) ... [2024-11-07 05:53:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:53:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:53:34,845 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 05:53:34,848 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 05:53:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:53:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:53:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:53:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:53:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:53:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:53:34,991 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:53:34,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:53:35,717 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-07 05:53:35,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:53:35,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:53:35,736 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:53:35,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:53:35 BoogieIcfgContainer [2024-11-07 05:53:35,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:53:35,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:53:35,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:53:35,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:53:35,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:53:34" (1/3) ... [2024-11-07 05:53:35,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8d412b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:53:35, skipping insertion in model container [2024-11-07 05:53:35,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:53:34" (2/3) ... [2024-11-07 05:53:35,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8d412b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:53:35, skipping insertion in model container [2024-11-07 05:53:35,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:53:35" (3/3) ... [2024-11-07 05:53:35,750 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-07 05:53:35,767 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:53:35,768 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:53:35,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:53:35,834 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;@61e0ce9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:53:35,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:53:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 05:53:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 05:53:35,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:53:35,859 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:35,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:53:35,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:53:35,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1154153178, now seen corresponding path program 1 times [2024-11-07 05:53:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:53:35,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352960931] [2024-11-07 05:53:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:53:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:53:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:53:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:53:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:53:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:53:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:53:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:53:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:53:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:53:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:53:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:53:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:53:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:53:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:53:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:53:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:53:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:53:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:53:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:53:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:53:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:53:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:53:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 05:53:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:53:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 05:53:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 05:53:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 05:53:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 05:53:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 05:53:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 05:53:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 05:53:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 05:53:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 05:53:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 05:53:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 05:53:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 05:53:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 05:53:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 05:53:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 05:53:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 05:53:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 05:53:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 05:53:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 05:53:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:53:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 05:53:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:53:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:53:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:53:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:53:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 05:53:36,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:53:36,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352960931] [2024-11-07 05:53:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352960931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:53:36,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:53:36,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:53:36,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382171503] [2024-11-07 05:53:36,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:53:36,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:53:36,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:53:36,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:53:36,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:53:36,702 INFO L87 Difference]: Start difference. First operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 05:53:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:53:36,752 INFO L93 Difference]: Finished difference Result 287 states and 506 transitions. [2024-11-07 05:53:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:53:36,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-07 05:53:36,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:53:36,767 INFO L225 Difference]: With dead ends: 287 [2024-11-07 05:53:36,767 INFO L226 Difference]: Without dead ends: 143 [2024-11-07 05:53:36,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 05:53:36,778 INFO L432 NwaCegarLoop]: 225 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, 225 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 05:53:36,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:53:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-07 05:53:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-07 05:53:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 05:53:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 225 transitions. [2024-11-07 05:53:36,849 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 225 transitions. Word has length 295 [2024-11-07 05:53:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:53:36,849 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 225 transitions. [2024-11-07 05:53:36,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 05:53:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2024-11-07 05:53:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 05:53:36,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:53:36,858 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:36,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:53:36,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:53:36,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:53:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1719960350, now seen corresponding path program 1 times [2024-11-07 05:53:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:53:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560595050] [2024-11-07 05:53:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:53:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:53:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:53:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:53:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:53:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:53:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:53:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:53:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:53:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:53:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:53:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:53:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:53:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:53:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:53:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:53:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:53:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:53:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:53:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:53:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:53:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:53:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 05:53:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:53:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 05:53:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 05:53:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 05:53:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 05:53:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 05:53:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 05:53:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 05:53:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 05:53:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 05:53:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 05:53:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 05:53:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 05:53:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 05:53:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 05:53:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 05:53:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 05:53:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 05:53:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 05:53:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 05:53:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:53:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 05:53:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:53:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:53:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:53:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:53:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 05:53:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:53:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560595050] [2024-11-07 05:53:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560595050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:53:37,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:53:37,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:53:37,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398019133] [2024-11-07 05:53:37,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:53:37,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:53:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:53:37,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:53:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:53:37,779 INFO L87 Difference]: Start difference. First operand 143 states and 225 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 05:53:38,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:53:38,151 INFO L93 Difference]: Finished difference Result 424 states and 670 transitions. [2024-11-07 05:53:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:53:38,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-07 05:53:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:53:38,160 INFO L225 Difference]: With dead ends: 424 [2024-11-07 05:53:38,160 INFO L226 Difference]: Without dead ends: 284 [2024-11-07 05:53:38,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:53:38,163 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 133 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:53:38,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 652 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:53:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-07 05:53:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2024-11-07 05:53:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 125 states have (on average 1.288) internal successors, (161), 125 states have internal predecessors, (161), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 05:53:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 353 transitions. [2024-11-07 05:53:38,228 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 353 transitions. Word has length 295 [2024-11-07 05:53:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:53:38,229 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 353 transitions. [2024-11-07 05:53:38,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-07 05:53:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 353 transitions. [2024-11-07 05:53:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 05:53:38,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:53:38,239 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:38,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:53:38,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:53:38,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:53:38,240 INFO L85 PathProgramCache]: Analyzing trace with hash -906108110, now seen corresponding path program 1 times [2024-11-07 05:53:38,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:53:38,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017411932] [2024-11-07 05:53:38,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:53:38,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:53:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:53:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:53:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:53:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:53:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:53:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:53:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:53:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:53:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:53:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:53:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:53:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:53:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:53:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:53:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:53:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:53:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:53:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:53:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:53:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:53:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:53:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 05:53:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:53:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 05:53:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 05:53:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 05:53:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 05:53:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 05:53:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 05:53:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 05:53:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 05:53:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 05:53:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 05:53:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 05:53:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 05:53:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 05:53:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 05:53:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 05:53:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 05:53:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 05:53:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 05:53:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 05:53:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:53:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 05:53:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:53:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:53:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:53:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:53:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:53:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 05:53:59,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:53:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017411932] [2024-11-07 05:53:59,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017411932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:53:59,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:53:59,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 05:53:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947996240] [2024-11-07 05:53:59,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:53:59,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 05:53:59,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:53:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 05:53:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-07 05:53:59,103 INFO L87 Difference]: Start difference. First operand 224 states and 353 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-07 05:54:03,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:54:03,458 INFO L93 Difference]: Finished difference Result 778 states and 1208 transitions. [2024-11-07 05:54:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 05:54:03,459 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 296 [2024-11-07 05:54:03,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:54:03,467 INFO L225 Difference]: With dead ends: 778 [2024-11-07 05:54:03,467 INFO L226 Difference]: Without dead ends: 638 [2024-11-07 05:54:03,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2024-11-07 05:54:03,472 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1853 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:54:03,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2213 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 05:54:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-07 05:54:03,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 430. [2024-11-07 05:54:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 278 states have internal predecessors, (376), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-07 05:54:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 664 transitions. [2024-11-07 05:54:03,562 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 664 transitions. Word has length 296 [2024-11-07 05:54:03,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:54:03,565 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 664 transitions. [2024-11-07 05:54:03,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-07 05:54:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 664 transitions. [2024-11-07 05:54:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 05:54:03,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:54:03,571 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:03,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:54:03,571 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:54:03,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:54:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2108995508, now seen corresponding path program 1 times [2024-11-07 05:54:03,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:54:03,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247202925] [2024-11-07 05:54:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:54:03,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:54:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:54:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:54:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:54:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:54:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:54:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:54:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:54:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:54:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:54:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:54:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:54:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:54:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:54:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:54:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:54:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:54:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:54:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:54:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:54:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:54:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:54:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 05:54:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:54:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 05:54:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 05:54:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 05:54:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 05:54:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 05:54:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 05:54:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 05:54:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 05:54:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 05:54:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 05:54:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 05:54:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 05:54:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 05:54:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 05:54:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 05:54:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 05:54:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 05:54:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 05:54:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 05:54:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:54:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 05:54:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 05:54:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:54:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 05:54:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:54:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:54:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 05:54:25,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:54:25,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247202925] [2024-11-07 05:54:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247202925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:54:25,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:54:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 05:54:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993375914] [2024-11-07 05:54:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:54:25,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 05:54:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:54:25,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 05:54:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:54:25,042 INFO L87 Difference]: Start difference. First operand 430 states and 664 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 05:54:27,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:54:27,760 INFO L93 Difference]: Finished difference Result 1002 states and 1550 transitions. [2024-11-07 05:54:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 05:54:27,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 296 [2024-11-07 05:54:27,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:54:27,767 INFO L225 Difference]: With dead ends: 1002 [2024-11-07 05:54:27,768 INFO L226 Difference]: Without dead ends: 662 [2024-11-07 05:54:27,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-07 05:54:27,770 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 1175 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:54:27,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 1955 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 05:54:27,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-07 05:54:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 430. [2024-11-07 05:54:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 278 states have internal predecessors, (375), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-07 05:54:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 663 transitions. [2024-11-07 05:54:27,815 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 663 transitions. Word has length 296 [2024-11-07 05:54:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:54:27,816 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 663 transitions. [2024-11-07 05:54:27,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-07 05:54:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 663 transitions. [2024-11-07 05:54:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 05:54:27,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:54:27,819 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:27,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:54:27,819 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:54:27,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:54:27,819 INFO L85 PathProgramCache]: Analyzing trace with hash -292314574, now seen corresponding path program 1 times [2024-11-07 05:54:27,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:54:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665436290] [2024-11-07 05:54:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:54:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:54:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat