./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.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', 'd7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.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 d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:10:57,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:10:57,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:10:57,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:10:57,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:10:57,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:10:57,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:10:57,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:10:57,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:10:57,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:10:57,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:10:57,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:10:57,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:10:57,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:10:57,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:10:57,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:10:57,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:10:57,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:10:57,180 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 -> d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 [2024-11-07 05:10:57,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:10:57,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:10:57,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:10:57,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:10:57,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:10:57,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-07 05:10:58,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:10:58,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:10:58,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-07 05:10:58,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d08ce3ea1/13dc98d7f39c48a5b5b5fb8b504208b8/FLAGf641d3a06 [2024-11-07 05:10:58,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d08ce3ea1/13dc98d7f39c48a5b5b5fb8b504208b8 [2024-11-07 05:10:58,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:10:58,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:10:58,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:10:58,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:10:58,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:10:58,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:10:58" (1/1) ... [2024-11-07 05:10:58,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325c97a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:58, skipping insertion in model container [2024-11-07 05:10:58,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:10:58" (1/1) ... [2024-11-07 05:10:58,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:10:58,939 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i[916,929] [2024-11-07 05:10:59,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:10:59,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:10:59,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i[916,929] [2024-11-07 05:10:59,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:10:59,103 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:10:59,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59 WrapperNode [2024-11-07 05:10:59,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:10:59,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:10:59,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:10:59,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:10:59,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,168 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-11-07 05:10:59,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:10:59,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:10:59,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:10:59,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:10:59,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,183 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,232 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 05:10:59,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:10:59,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:10:59,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:10:59,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:10:59,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (1/1) ... [2024-11-07 05:10:59,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:10:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:10:59,307 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 05:10:59,315 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 05:10:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:10:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:10:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:10:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:10:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:10:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:10:59,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:10:59,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:11:00,014 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 05:11:00,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:11:00,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:11:00,034 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:11:00,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:00 BoogieIcfgContainer [2024-11-07 05:11:00,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:11:00,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:11:00,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:11:00,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:11:00,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:10:58" (1/3) ... [2024-11-07 05:11:00,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77faf3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:11:00, skipping insertion in model container [2024-11-07 05:11:00,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:10:59" (2/3) ... [2024-11-07 05:11:00,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77faf3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:11:00, skipping insertion in model container [2024-11-07 05:11:00,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:00" (3/3) ... [2024-11-07 05:11:00,050 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-11-07 05:11:00,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:11:00,061 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:11:00,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:11:00,114 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;@2f041a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:11:00,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:11:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 151 states have (on average 1.576158940397351) internal successors, (238), 152 states have internal predecessors, (238), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 05:11:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-07 05:11:00,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:00,134 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:00,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:00,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:00,138 INFO L85 PathProgramCache]: Analyzing trace with hash 762517885, now seen corresponding path program 1 times [2024-11-07 05:11:00,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:00,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015422437] [2024-11-07 05:11:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:00,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:00,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015422437] [2024-11-07 05:11:00,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015422437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:00,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:00,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:11:00,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224548364] [2024-11-07 05:11:00,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:00,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:11:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:00,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:11:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:11:00,674 INFO L87 Difference]: Start difference. First operand has 212 states, 151 states have (on average 1.576158940397351) internal successors, (238), 152 states have internal predecessors, (238), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-07 05:11:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:00,719 INFO L93 Difference]: Finished difference Result 417 states and 760 transitions. [2024-11-07 05:11:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:11:00,721 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) Word has length 375 [2024-11-07 05:11:00,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:00,726 INFO L225 Difference]: With dead ends: 417 [2024-11-07 05:11:00,728 INFO L226 Difference]: Without dead ends: 208 [2024-11-07 05:11:00,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 05:11:00,734 INFO L432 NwaCegarLoop]: 347 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, 347 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 05:11:00,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:11:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-07 05:11:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-07 05:11:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 148 states have internal predecessors, (231), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 05:11:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 347 transitions. [2024-11-07 05:11:00,792 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 347 transitions. Word has length 375 [2024-11-07 05:11:00,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:00,794 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 347 transitions. [2024-11-07 05:11:00,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-07 05:11:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2024-11-07 05:11:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-07 05:11:00,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:00,819 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:00,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:11:00,820 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:00,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1403999639, now seen corresponding path program 1 times [2024-11-07 05:11:00,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:00,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258169299] [2024-11-07 05:11:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:00,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:01,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258169299] [2024-11-07 05:11:01,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258169299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:01,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:01,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:11:01,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887640139] [2024-11-07 05:11:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:01,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:11:01,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:11:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:01,245 INFO L87 Difference]: Start difference. First operand 208 states and 347 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:01,332 INFO L93 Difference]: Finished difference Result 552 states and 924 transitions. [2024-11-07 05:11:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:11:01,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-07 05:11:01,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:01,338 INFO L225 Difference]: With dead ends: 552 [2024-11-07 05:11:01,338 INFO L226 Difference]: Without dead ends: 347 [2024-11-07 05:11:01,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:01,341 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 243 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:01,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 680 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 05:11:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-07 05:11:01,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2024-11-07 05:11:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 253 states have (on average 1.5612648221343874) internal successors, (395), 254 states have internal predecessors, (395), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-07 05:11:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 571 transitions. [2024-11-07 05:11:01,376 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 571 transitions. Word has length 375 [2024-11-07 05:11:01,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:01,376 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 571 transitions. [2024-11-07 05:11:01,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 571 transitions. [2024-11-07 05:11:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-07 05:11:01,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:01,383 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:01,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:11:01,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:01,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:01,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1341921513, now seen corresponding path program 1 times [2024-11-07 05:11:01,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:01,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891070438] [2024-11-07 05:11:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:01,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:01,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891070438] [2024-11-07 05:11:01,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891070438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:01,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:01,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:11:01,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664078723] [2024-11-07 05:11:01,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:01,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:11:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:11:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:01,740 INFO L87 Difference]: Start difference. First operand 344 states and 571 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:01,808 INFO L93 Difference]: Finished difference Result 693 states and 1146 transitions. [2024-11-07 05:11:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:11:01,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-07 05:11:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:01,815 INFO L225 Difference]: With dead ends: 693 [2024-11-07 05:11:01,815 INFO L226 Difference]: Without dead ends: 352 [2024-11-07 05:11:01,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:01,820 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 221 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:01,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 737 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:11:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-07 05:11:01,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 270. [2024-11-07 05:11:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 209 states have (on average 1.5645933014354068) internal successors, (327), 209 states have internal predecessors, (327), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 05:11:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 443 transitions. [2024-11-07 05:11:01,847 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 443 transitions. Word has length 375 [2024-11-07 05:11:01,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:01,849 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 443 transitions. [2024-11-07 05:11:01,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 443 transitions. [2024-11-07 05:11:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-07 05:11:01,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:01,852 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:01,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:11:01,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1978975809, now seen corresponding path program 1 times [2024-11-07 05:11:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73952854] [2024-11-07 05:11:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:02,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:02,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73952854] [2024-11-07 05:11:02,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73952854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:02,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:02,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:11:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228895392] [2024-11-07 05:11:02,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:02,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:11:02,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:11:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:11:02,211 INFO L87 Difference]: Start difference. First operand 270 states and 443 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:02,790 INFO L93 Difference]: Finished difference Result 995 states and 1618 transitions. [2024-11-07 05:11:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:11:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-11-07 05:11:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:02,799 INFO L225 Difference]: With dead ends: 995 [2024-11-07 05:11:02,799 INFO L226 Difference]: Without dead ends: 728 [2024-11-07 05:11:02,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 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 05:11:02,800 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 610 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:02,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 893 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 05:11:02,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-07 05:11:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 424. [2024-11-07 05:11:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 321 states have (on average 1.5514018691588785) internal successors, (498), 322 states have internal predecessors, (498), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 05:11:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 694 transitions. [2024-11-07 05:11:02,837 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 694 transitions. Word has length 375 [2024-11-07 05:11:02,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:02,838 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 694 transitions. [2024-11-07 05:11:02,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 694 transitions. [2024-11-07 05:11:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 05:11:02,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:02,840 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:02,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:11:02,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:02,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2074572434, now seen corresponding path program 1 times [2024-11-07 05:11:02,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:02,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101831209] [2024-11-07 05:11:02,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101831209] [2024-11-07 05:11:03,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101831209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:03,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:03,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:11:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832040045] [2024-11-07 05:11:03,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:03,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:11:03,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:03,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:11:03,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:03,132 INFO L87 Difference]: Start difference. First operand 424 states and 694 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:03,170 INFO L93 Difference]: Finished difference Result 846 states and 1385 transitions. [2024-11-07 05:11:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:11:03,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 376 [2024-11-07 05:11:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:03,174 INFO L225 Difference]: With dead ends: 846 [2024-11-07 05:11:03,175 INFO L226 Difference]: Without dead ends: 425 [2024-11-07 05:11:03,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:11:03,178 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 199 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:03,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 785 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:11:03,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-07 05:11:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 422. [2024-11-07 05:11:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 319 states have (on average 1.54858934169279) internal successors, (494), 320 states have internal predecessors, (494), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 05:11:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 690 transitions. [2024-11-07 05:11:03,217 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 690 transitions. Word has length 376 [2024-11-07 05:11:03,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:03,218 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 690 transitions. [2024-11-07 05:11:03,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 690 transitions. [2024-11-07 05:11:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-07 05:11:03,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:03,220 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:03,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:11:03,220 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:03,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:03,220 INFO L85 PathProgramCache]: Analyzing trace with hash -425080673, now seen corresponding path program 1 times [2024-11-07 05:11:03,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:03,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294072124] [2024-11-07 05:11:03,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:03,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:03,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:03,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294072124] [2024-11-07 05:11:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294072124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:03,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:11:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604545542] [2024-11-07 05:11:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:03,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:11:03,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:03,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:11:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:11:03,848 INFO L87 Difference]: Start difference. First operand 422 states and 690 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:04,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:04,217 INFO L93 Difference]: Finished difference Result 1288 states and 2101 transitions. [2024-11-07 05:11:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:11:04,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 376 [2024-11-07 05:11:04,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:04,224 INFO L225 Difference]: With dead ends: 1288 [2024-11-07 05:11:04,224 INFO L226 Difference]: Without dead ends: 869 [2024-11-07 05:11:04,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:11:04,226 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 389 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:04,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1254 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:11:04,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-11-07 05:11:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 841. [2024-11-07 05:11:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 636 states have (on average 1.550314465408805) internal successors, (986), 638 states have internal predecessors, (986), 196 states have call successors, (196), 8 states have call predecessors, (196), 8 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-07 05:11:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1378 transitions. [2024-11-07 05:11:04,282 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1378 transitions. Word has length 376 [2024-11-07 05:11:04,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:04,282 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1378 transitions. [2024-11-07 05:11:04,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1378 transitions. [2024-11-07 05:11:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-07 05:11:04,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:04,284 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:04,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:11:04,285 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:04,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1035159793, now seen corresponding path program 1 times [2024-11-07 05:11:04,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:04,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991397866] [2024-11-07 05:11:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:05,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991397866] [2024-11-07 05:11:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991397866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:05,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:05,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:11:05,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117889945] [2024-11-07 05:11:05,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:05,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:11:05,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:05,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:11:05,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:11:05,509 INFO L87 Difference]: Start difference. First operand 841 states and 1378 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:05,985 INFO L93 Difference]: Finished difference Result 2051 states and 3359 transitions. [2024-11-07 05:11:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:11:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 377 [2024-11-07 05:11:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:05,993 INFO L225 Difference]: With dead ends: 2051 [2024-11-07 05:11:05,993 INFO L226 Difference]: Without dead ends: 1213 [2024-11-07 05:11:05,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 05:11:05,996 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 358 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:05,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1507 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:11:05,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2024-11-07 05:11:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1179. [2024-11-07 05:11:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 914 states have (on average 1.5634573304157549) internal successors, (1429), 916 states have internal predecessors, (1429), 254 states have call successors, (254), 10 states have call predecessors, (254), 10 states have return successors, (254), 252 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-07 05:11:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1937 transitions. [2024-11-07 05:11:06,071 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1937 transitions. Word has length 377 [2024-11-07 05:11:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:06,072 INFO L471 AbstractCegarLoop]: Abstraction has 1179 states and 1937 transitions. [2024-11-07 05:11:06,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1937 transitions. [2024-11-07 05:11:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-07 05:11:06,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:06,074 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:06,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 05:11:06,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:06,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:06,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2102675660, now seen corresponding path program 1 times [2024-11-07 05:11:06,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:06,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874803622] [2024-11-07 05:11:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-07 05:11:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:06,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874803622] [2024-11-07 05:11:06,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874803622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 05:11:06,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444155341] [2024-11-07 05:11:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:06,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:06,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:11:06,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:11:06,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 05:11:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:06,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 05:11:06,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:11:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2857 proven. 51 refuted. 0 times theorem prover too weak. 3704 trivial. 0 not checked. [2024-11-07 05:11:06,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:11:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-07 05:11:07,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444155341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 05:11:07,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 05:11:07,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-07 05:11:07,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934905728] [2024-11-07 05:11:07,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 05:11:07,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 05:11:07,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 05:11:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 05:11:07,185 INFO L87 Difference]: Start difference. First operand 1179 states and 1937 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-11-07 05:11:07,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:07,525 INFO L93 Difference]: Finished difference Result 1736 states and 2838 transitions. [2024-11-07 05:11:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 05:11:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 379 [2024-11-07 05:11:07,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:07,530 INFO L225 Difference]: With dead ends: 1736 [2024-11-07 05:11:07,530 INFO L226 Difference]: Without dead ends: 821 [2024-11-07 05:11:07,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 870 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-07 05:11:07,533 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 435 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:07,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 712 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:11:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-07 05:11:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 809. [2024-11-07 05:11:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 625 states have (on average 1.5488) internal successors, (968), 625 states have internal predecessors, (968), 174 states have call successors, (174), 9 states have call predecessors, (174), 9 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-07 05:11:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1316 transitions. [2024-11-07 05:11:07,576 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1316 transitions. Word has length 379 [2024-11-07 05:11:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:07,576 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1316 transitions. [2024-11-07 05:11:07,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-11-07 05:11:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1316 transitions. [2024-11-07 05:11:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-07 05:11:07,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:07,578 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:07,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 05:11:07,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:07,779 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:07,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2037812527, now seen corresponding path program 1 times [2024-11-07 05:11:07,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088660182] [2024-11-07 05:11:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:07,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:08,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088660182] [2024-11-07 05:11:08,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088660182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:08,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:08,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:11:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373074017] [2024-11-07 05:11:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:08,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:11:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:08,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:11:08,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:11:08,138 INFO L87 Difference]: Start difference. First operand 809 states and 1316 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:08,829 INFO L93 Difference]: Finished difference Result 3173 states and 5170 transitions. [2024-11-07 05:11:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:11:08,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 379 [2024-11-07 05:11:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:08,843 INFO L225 Difference]: With dead ends: 3173 [2024-11-07 05:11:08,843 INFO L226 Difference]: Without dead ends: 2555 [2024-11-07 05:11:08,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 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 05:11:08,846 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 915 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:08,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1467 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 05:11:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2024-11-07 05:11:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2513. [2024-11-07 05:11:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 1963 states have (on average 1.553234844625573) internal successors, (3049), 1963 states have internal predecessors, (3049), 522 states have call successors, (522), 27 states have call predecessors, (522), 27 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-07 05:11:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 4093 transitions. [2024-11-07 05:11:09,013 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 4093 transitions. Word has length 379 [2024-11-07 05:11:09,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:09,014 INFO L471 AbstractCegarLoop]: Abstraction has 2513 states and 4093 transitions. [2024-11-07 05:11:09,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 4093 transitions. [2024-11-07 05:11:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-07 05:11:09,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:09,016 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:09,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 05:11:09,017 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:09,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash -666005229, now seen corresponding path program 1 times [2024-11-07 05:11:09,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:09,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616927450] [2024-11-07 05:11:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 198 proven. 138 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-11-07 05:11:11,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:11,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616927450] [2024-11-07 05:11:11,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616927450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 05:11:11,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468779743] [2024-11-07 05:11:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:11,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:11,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:11:11,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:11:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 05:11:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:11,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 05:11:11,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:11:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4223 proven. 138 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2024-11-07 05:11:12,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:11:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-07 05:11:12,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468779743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 05:11:12,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 05:11:12,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 8] total 21 [2024-11-07 05:11:12,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22275788] [2024-11-07 05:11:12,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 05:11:12,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 05:11:12,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 05:11:12,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-07 05:11:12,877 INFO L87 Difference]: Start difference. First operand 2513 states and 4093 transitions. Second operand has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-07 05:11:15,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:15,629 INFO L93 Difference]: Finished difference Result 7825 states and 12564 transitions. [2024-11-07 05:11:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-07 05:11:15,630 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) Word has length 379 [2024-11-07 05:11:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:15,655 INFO L225 Difference]: With dead ends: 7825 [2024-11-07 05:11:15,655 INFO L226 Difference]: Without dead ends: 5483 [2024-11-07 05:11:15,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=874, Invalid=2548, Unknown=0, NotChecked=0, Total=3422 [2024-11-07 05:11:15,664 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 5038 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 1496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 3360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1496 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:15,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 1511 Invalid, 3360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1496 Valid, 1864 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 05:11:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2024-11-07 05:11:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2621. [2024-11-07 05:11:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 2044 states have (on average 1.5195694716242663) internal successors, (3106), 2044 states have internal predecessors, (3106), 522 states have call successors, (522), 54 states have call predecessors, (522), 54 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-07 05:11:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 4150 transitions. [2024-11-07 05:11:15,879 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 4150 transitions. Word has length 379 [2024-11-07 05:11:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:15,880 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 4150 transitions. [2024-11-07 05:11:15,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.523809523809524) internal successors, (158), 21 states have internal predecessors, (158), 5 states have call successors, (118), 3 states have call predecessors, (118), 6 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-07 05:11:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 4150 transitions. [2024-11-07 05:11:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-07 05:11:15,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:15,882 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:15,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 05:11:16,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:16,087 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:16,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash -417858735, now seen corresponding path program 1 times [2024-11-07 05:11:16,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:16,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511616479] [2024-11-07 05:11:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:16,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 126 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-11-07 05:11:17,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:17,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511616479] [2024-11-07 05:11:17,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511616479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 05:11:17,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716176504] [2024-11-07 05:11:17,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:17,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:17,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:11:17,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:11:17,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 05:11:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:17,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 05:11:17,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:11:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4247 proven. 126 refuted. 0 times theorem prover too weak. 2239 trivial. 0 not checked. [2024-11-07 05:11:18,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:11:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 129 refuted. 0 times theorem prover too weak. 6273 trivial. 0 not checked. [2024-11-07 05:11:19,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716176504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 05:11:19,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 05:11:19,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 25 [2024-11-07 05:11:19,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11897060] [2024-11-07 05:11:19,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 05:11:19,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 05:11:19,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:19,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 05:11:19,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-11-07 05:11:19,197 INFO L87 Difference]: Start difference. First operand 2621 states and 4150 transitions. Second operand has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-07 05:11:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:24,727 INFO L93 Difference]: Finished difference Result 11156 states and 17357 transitions. [2024-11-07 05:11:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-11-07 05:11:24,728 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) Word has length 379 [2024-11-07 05:11:24,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:24,764 INFO L225 Difference]: With dead ends: 11156 [2024-11-07 05:11:24,764 INFO L226 Difference]: Without dead ends: 8930 [2024-11-07 05:11:24,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 871 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5348 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3101, Invalid=11179, Unknown=0, NotChecked=0, Total=14280 [2024-11-07 05:11:24,777 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 4120 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 4147 mSolverCounterSat, 1868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 6015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 4147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:24,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4146 Valid, 4272 Invalid, 6015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 4147 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 05:11:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8930 states. [2024-11-07 05:11:25,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8930 to 2812. [2024-11-07 05:11:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2218 states have (on average 1.5229936880072137) internal successors, (3378), 2218 states have internal predecessors, (3378), 522 states have call successors, (522), 71 states have call predecessors, (522), 71 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-07 05:11:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4422 transitions. [2024-11-07 05:11:25,122 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4422 transitions. Word has length 379 [2024-11-07 05:11:25,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:25,122 INFO L471 AbstractCegarLoop]: Abstraction has 2812 states and 4422 transitions. [2024-11-07 05:11:25,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-11-07 05:11:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4422 transitions. [2024-11-07 05:11:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:11:25,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:25,125 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:25,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 05:11:25,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:25,330 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:25,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1295002135, now seen corresponding path program 1 times [2024-11-07 05:11:25,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:25,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822543127] [2024-11-07 05:11:25,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:25,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:25,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822543127] [2024-11-07 05:11:25,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822543127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:25,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:11:25,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099199203] [2024-11-07 05:11:25,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:25,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:11:25,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:25,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:11:25,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:11:25,544 INFO L87 Difference]: Start difference. First operand 2812 states and 4422 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:25,913 INFO L93 Difference]: Finished difference Result 7198 states and 11481 transitions. [2024-11-07 05:11:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:11:25,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 381 [2024-11-07 05:11:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:25,933 INFO L225 Difference]: With dead ends: 7198 [2024-11-07 05:11:25,935 INFO L226 Difference]: Without dead ends: 4777 [2024-11-07 05:11:25,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:11:25,942 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 233 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:25,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1033 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 05:11:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4777 states. [2024-11-07 05:11:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4777 to 4767. [2024-11-07 05:11:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4767 states, 3988 states have (on average 1.5727181544633901) internal successors, (6272), 3996 states have internal predecessors, (6272), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-07 05:11:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 7668 transitions. [2024-11-07 05:11:26,248 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 7668 transitions. Word has length 381 [2024-11-07 05:11:26,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:26,249 INFO L471 AbstractCegarLoop]: Abstraction has 4767 states and 7668 transitions. [2024-11-07 05:11:26,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 7668 transitions. [2024-11-07 05:11:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:11:26,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:26,252 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:26,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 05:11:26,252 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:26,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:26,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1954533657, now seen corresponding path program 1 times [2024-11-07 05:11:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836267755] [2024-11-07 05:11:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:11:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:11:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:11:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:11:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:11:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:11:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:11:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:11:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:11:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:11:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:11:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:11:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:11:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:11:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:11:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:11:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:11:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:11:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:11:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:11:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:11:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:11:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:11:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:11:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:11:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:11:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:11:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:11:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:11:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:11:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:11:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:11:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:11:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:11:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:11:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:11:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:11:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:11:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:11:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:11:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:11:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:11:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:11:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:11:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:11:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:11:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:11:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:11:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:11:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:11:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:11:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:11:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:11:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:11:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:11:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:11:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:11:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:11:26,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836267755] [2024-11-07 05:11:26,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836267755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:11:26,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:11:26,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:11:26,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902495255] [2024-11-07 05:11:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:11:26,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:11:26,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:26,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:11:26,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:11:26,822 INFO L87 Difference]: Start difference. First operand 4767 states and 7668 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:27,396 INFO L93 Difference]: Finished difference Result 8719 states and 13990 transitions. [2024-11-07 05:11:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:11:27,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 381 [2024-11-07 05:11:27,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:27,410 INFO L225 Difference]: With dead ends: 8719 [2024-11-07 05:11:27,410 INFO L226 Difference]: Without dead ends: 4745 [2024-11-07 05:11:27,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:11:27,418 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 609 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:27,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1012 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 05:11:27,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2024-11-07 05:11:27,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4743. [2024-11-07 05:11:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 3964 states have (on average 1.5640766902119072) internal successors, (6200), 3972 states have internal predecessors, (6200), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-07 05:11:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 7596 transitions. [2024-11-07 05:11:27,723 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 7596 transitions. Word has length 381 [2024-11-07 05:11:27,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:27,724 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 7596 transitions. [2024-11-07 05:11:27,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:11:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 7596 transitions. [2024-11-07 05:11:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-07 05:11:27,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:27,728 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:27,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 05:11:27,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:27,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:27,729 INFO L85 PathProgramCache]: Analyzing trace with hash 729497428, now seen corresponding path program 1 times [2024-11-07 05:11:27,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:27,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164447716] [2024-11-07 05:11:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:27,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 05:11:27,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341245317] [2024-11-07 05:11:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:27,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:27,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:11:27,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:11:27,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 05:11:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:28,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 05:11:28,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:11:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4247 proven. 126 refuted. 0 times theorem prover too weak. 2239 trivial. 0 not checked. [2024-11-07 05:11:29,092 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:11:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 81 proven. 90 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-11-07 05:11:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164447716] [2024-11-07 05:11:30,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 05:11:30,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341245317] [2024-11-07 05:11:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341245317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 05:11:30,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 05:11:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2024-11-07 05:11:30,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091328350] [2024-11-07 05:11:30,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 05:11:30,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-07 05:11:30,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:30,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-07 05:11:30,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-11-07 05:11:30,427 INFO L87 Difference]: Start difference. First operand 4743 states and 7596 transitions. Second operand has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 27 states have internal predecessors, (180), 6 states have call successors, (116), 4 states have call predecessors, (116), 7 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) [2024-11-07 05:11:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:11:52,248 INFO L93 Difference]: Finished difference Result 19644 states and 30309 transitions. [2024-11-07 05:11:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-11-07 05:11:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 27 states have internal predecessors, (180), 6 states have call successors, (116), 4 states have call predecessors, (116), 7 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) Word has length 381 [2024-11-07 05:11:52,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:11:52,309 INFO L225 Difference]: With dead ends: 19644 [2024-11-07 05:11:52,309 INFO L226 Difference]: Without dead ends: 17678 [2024-11-07 05:11:52,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 925 GetRequests, 757 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11231 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=5205, Invalid=23525, Unknown=0, NotChecked=0, Total=28730 [2024-11-07 05:11:52,324 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 5591 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 4881 mSolverCounterSat, 2458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5643 SdHoareTripleChecker+Valid, 3438 SdHoareTripleChecker+Invalid, 7339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2458 IncrementalHoareTripleChecker+Valid, 4881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-07 05:11:52,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5643 Valid, 3438 Invalid, 7339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2458 Valid, 4881 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-07 05:11:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17678 states. [2024-11-07 05:11:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17678 to 5195. [2024-11-07 05:11:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5195 states, 4416 states have (on average 1.571105072463768) internal successors, (6938), 4424 states have internal predecessors, (6938), 698 states have call successors, (698), 80 states have call predecessors, (698), 80 states have return successors, (698), 690 states have call predecessors, (698), 698 states have call successors, (698) [2024-11-07 05:11:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 5195 states and 8334 transitions. [2024-11-07 05:11:52,999 INFO L78 Accepts]: Start accepts. Automaton has 5195 states and 8334 transitions. Word has length 381 [2024-11-07 05:11:53,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:11:53,000 INFO L471 AbstractCegarLoop]: Abstraction has 5195 states and 8334 transitions. [2024-11-07 05:11:53,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.666666666666667) internal successors, (180), 27 states have internal predecessors, (180), 6 states have call successors, (116), 4 states have call predecessors, (116), 7 states have return successors, (116), 6 states have call predecessors, (116), 6 states have call successors, (116) [2024-11-07 05:11:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5195 states and 8334 transitions. [2024-11-07 05:11:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:11:53,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:11:53,003 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:53,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 05:11:53,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 05:11:53,204 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:11:53,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:11:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash 748088862, now seen corresponding path program 1 times [2024-11-07 05:11:53,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:11:53,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544310535] [2024-11-07 05:11:53,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:53,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:11:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 05:11:53,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360266116] [2024-11-07 05:11:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:11:53,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:11:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:11:53,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:11:53,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 05:11:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:11:53,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 05:11:53,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 05:11:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3959 proven. 171 refuted. 0 times theorem prover too weak. 2482 trivial. 0 not checked. [2024-11-07 05:11:55,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 05:11:57,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:11:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544310535] [2024-11-07 05:11:57,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 05:11:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360266116] [2024-11-07 05:11:57,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360266116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 05:11:57,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 05:11:57,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-07 05:11:57,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535226216] [2024-11-07 05:11:57,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 05:11:57,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 05:11:57,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:11:57,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 05:11:57,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2024-11-07 05:11:57,861 INFO L87 Difference]: Start difference. First operand 5195 states and 8334 transitions. Second operand has 20 states, 20 states have (on average 5.5) internal successors, (110), 19 states have internal predecessors, (110), 4 states have call successors, (58), 4 states have call predecessors, (58), 6 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-07 05:12:12,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:12:12,006 INFO L93 Difference]: Finished difference Result 41336 states and 65997 transitions. [2024-11-07 05:12:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-11-07 05:12:12,006 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 19 states have internal predecessors, (110), 4 states have call successors, (58), 4 states have call predecessors, (58), 6 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 382 [2024-11-07 05:12:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:12:12,103 INFO L225 Difference]: With dead ends: 41336 [2024-11-07 05:12:12,103 INFO L226 Difference]: Without dead ends: 36578 [2024-11-07 05:12:12,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9759 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=4529, Invalid=21877, Unknown=0, NotChecked=0, Total=26406 [2024-11-07 05:12:12,124 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 4308 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 5830 mSolverCounterSat, 1550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 7380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1550 IncrementalHoareTripleChecker+Valid, 5830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:12:12,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4388 Valid, 3916 Invalid, 7380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1550 Valid, 5830 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-07 05:12:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36578 states. [2024-11-07 05:12:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36578 to 11345. [2024-11-07 05:12:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11345 states, 9854 states have (on average 1.5725593667546174) internal successors, (15496), 9870 states have internal predecessors, (15496), 1338 states have call successors, (1338), 152 states have call predecessors, (1338), 152 states have return successors, (1338), 1322 states have call predecessors, (1338), 1338 states have call successors, (1338) [2024-11-07 05:12:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11345 states to 11345 states and 18172 transitions. [2024-11-07 05:12:13,753 INFO L78 Accepts]: Start accepts. Automaton has 11345 states and 18172 transitions. Word has length 382 [2024-11-07 05:12:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:12:13,754 INFO L471 AbstractCegarLoop]: Abstraction has 11345 states and 18172 transitions. [2024-11-07 05:12:13,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 19 states have internal predecessors, (110), 4 states have call successors, (58), 4 states have call predecessors, (58), 6 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-07 05:12:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 11345 states and 18172 transitions. [2024-11-07 05:12:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:12:13,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:12:13,757 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:12:13,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 05:12:13,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 05:12:13,959 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:12:13,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:12:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1022848476, now seen corresponding path program 1 times [2024-11-07 05:12:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:12:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835297136] [2024-11-07 05:12:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:12:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:12:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:12:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:12:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 05:12:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:12:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 05:12:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:12:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 05:12:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:12:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 05:12:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:12:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 05:12:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:12:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 05:12:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:12:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 05:12:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 05:12:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 05:12:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 05:12:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 05:12:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 05:12:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 05:12:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 05:12:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 05:12:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 05:12:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 05:12:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 05:12:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:12:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 05:12:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:12:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 05:12:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:12:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 05:12:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:12:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 05:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 05:12:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 05:12:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 05:12:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 05:12:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 05:12:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 05:12:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 05:12:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 05:12:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 05:12:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 05:12:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 05:12:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 05:12:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 05:12:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 05:12:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 05:12:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 05:12:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 05:12:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 05:12:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 05:12:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 05:12:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 05:12:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 05:12:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 05:12:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 05:12:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 05:12:14,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:12:14,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835297136] [2024-11-07 05:12:14,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835297136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:12:14,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:12:14,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 05:12:14,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163632872] [2024-11-07 05:12:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:12:14,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 05:12:14,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:12:14,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 05:12:14,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:12:14,134 INFO L87 Difference]: Start difference. First operand 11345 states and 18172 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:12:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:12:16,038 INFO L93 Difference]: Finished difference Result 27253 states and 43686 transitions. [2024-11-07 05:12:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 05:12:16,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 382 [2024-11-07 05:12:16,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:12:16,083 INFO L225 Difference]: With dead ends: 27253 [2024-11-07 05:12:16,084 INFO L226 Difference]: Without dead ends: 16955 [2024-11-07 05:12:16,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 05:12:16,105 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 217 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:12:16,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 757 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:12:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16955 states. [2024-11-07 05:12:17,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16955 to 16953. [2024-11-07 05:12:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16953 states, 14750 states have (on average 1.568542372881356) internal successors, (23136), 14774 states have internal predecessors, (23136), 1978 states have call successors, (1978), 224 states have call predecessors, (1978), 224 states have return successors, (1978), 1954 states have call predecessors, (1978), 1978 states have call successors, (1978) [2024-11-07 05:12:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16953 states to 16953 states and 27092 transitions. [2024-11-07 05:12:17,941 INFO L78 Accepts]: Start accepts. Automaton has 16953 states and 27092 transitions. Word has length 382 [2024-11-07 05:12:17,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:12:17,941 INFO L471 AbstractCegarLoop]: Abstraction has 16953 states and 27092 transitions. [2024-11-07 05:12:17,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-11-07 05:12:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 16953 states and 27092 transitions. [2024-11-07 05:12:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-07 05:12:17,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:12:17,946 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:12:17,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 05:12:17,946 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:12:17,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:12:17,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1451280595, now seen corresponding path program 1 times [2024-11-07 05:12:17,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:12:17,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747345124] [2024-11-07 05:12:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:12:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:12:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 05:12:18,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525238363] [2024-11-07 05:12:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:12:18,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 05:12:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:12:18,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 05:12:18,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 05:12:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:12:18,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 05:12:18,301 INFO L278 TraceCheckSpWp]: Computing forward predicates...