./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.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_loopvsstraightlinecode_100-1loop_file-20.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', 'd7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044'] 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_loopvsstraightlinecode_100-1loop_file-20.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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:56:04,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:56:04,448 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:56:04,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:56:04,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:56:04,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:56:04,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:56:04,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:56:04,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:56:04,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:56:04,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:56:04,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:56:04,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:56:04,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:56:04,489 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:56:04,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:56:04,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:56:04,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:56:04,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:56:04,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:56:04,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:56:04,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:56:04,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:56:04,493 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 -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-11-07 07:56:04,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:56:04,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:56:04,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:56:04,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:56:04,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:56:04,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-07 07:56:06,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:56:07,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:56:07,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-07 07:56:07,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f86514fc7/1ab28ba3e99e4fcba84cf186e527dff2/FLAGc415db11c [2024-11-07 07:56:07,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f86514fc7/1ab28ba3e99e4fcba84cf186e527dff2 [2024-11-07 07:56:07,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:56:07,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:56:07,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:56:07,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:56:07,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:56:07,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3625731a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07, skipping insertion in model container [2024-11-07 07:56:07,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:56:07,212 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-07 07:56:07,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:56:07,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:56:07,335 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-07 07:56:07,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:56:07,417 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:56:07,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07 WrapperNode [2024-11-07 07:56:07,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:56:07,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:56:07,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:56:07,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:56:07,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,491 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-07 07:56:07,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:56:07,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:56:07,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:56:07,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:56:07,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,542 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:56:07,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:56:07,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:56:07,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:56:07,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:56:07,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (1/1) ... [2024-11-07 07:56:07,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:56:07,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:56:07,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:56:07,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:56:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:56:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:56:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:56:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:56:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:56:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:56:07,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:56:07,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:56:08,287 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-07 07:56:08,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:56:08,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:56:08,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:56:08,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:56:08 BoogieIcfgContainer [2024-11-07 07:56:08,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:56:08,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:56:08,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:56:08,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:56:08,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:56:07" (1/3) ... [2024-11-07 07:56:08,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc98aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:56:08, skipping insertion in model container [2024-11-07 07:56:08,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:56:07" (2/3) ... [2024-11-07 07:56:08,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc98aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:56:08, skipping insertion in model container [2024-11-07 07:56:08,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:56:08" (3/3) ... [2024-11-07 07:56:08,312 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-07 07:56:08,325 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:56:08,325 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:56:08,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:56:08,386 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;@3df32f05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:56:08,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:56:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 07:56:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 07:56:08,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:08,407 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:08,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:08,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:08,410 INFO L85 PathProgramCache]: Analyzing trace with hash 963517484, now seen corresponding path program 1 times [2024-11-07 07:56:08,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:08,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052494948] [2024-11-07 07:56:08,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:09,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052494948] [2024-11-07 07:56:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052494948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:09,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:09,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 07:56:09,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221963376] [2024-11-07 07:56:09,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:09,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 07:56:09,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:09,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 07:56:09,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:56:09,706 INFO L87 Difference]: Start difference. First operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:10,164 INFO L93 Difference]: Finished difference Result 384 states and 658 transitions. [2024-11-07 07:56:10,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:56:10,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-07 07:56:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:10,178 INFO L225 Difference]: With dead ends: 384 [2024-11-07 07:56:10,179 INFO L226 Difference]: Without dead ends: 258 [2024-11-07 07:56:10,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 07:56:10,191 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 183 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:10,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 759 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:56:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-07 07:56:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2024-11-07 07:56:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 181 states have (on average 1.3977900552486189) internal successors, (253), 181 states have internal predecessors, (253), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 377 transitions. [2024-11-07 07:56:10,280 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 377 transitions. Word has length 204 [2024-11-07 07:56:10,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:10,283 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 377 transitions. [2024-11-07 07:56:10,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2024-11-07 07:56:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 07:56:10,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:10,289 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:10,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:56:10,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:10,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:10,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1570159055, now seen corresponding path program 1 times [2024-11-07 07:56:10,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:10,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291862486] [2024-11-07 07:56:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:10,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:11,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:11,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291862486] [2024-11-07 07:56:11,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291862486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:11,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:11,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:56:11,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317469107] [2024-11-07 07:56:11,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:11,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:56:11,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:11,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:56:11,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:56:11,056 INFO L87 Difference]: Start difference. First operand 246 states and 377 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:11,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:11,376 INFO L93 Difference]: Finished difference Result 715 states and 1096 transitions. [2024-11-07 07:56:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:56:11,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-07 07:56:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:11,384 INFO L225 Difference]: With dead ends: 715 [2024-11-07 07:56:11,386 INFO L226 Difference]: Without dead ends: 472 [2024-11-07 07:56:11,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:56:11,391 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 144 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:11,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 584 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:56:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-07 07:56:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 321. [2024-11-07 07:56:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 256 states have (on average 1.4453125) internal successors, (370), 256 states have internal predecessors, (370), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 494 transitions. [2024-11-07 07:56:11,444 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 494 transitions. Word has length 205 [2024-11-07 07:56:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:11,445 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 494 transitions. [2024-11-07 07:56:11,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 494 transitions. [2024-11-07 07:56:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 07:56:11,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:11,450 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:11,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:56:11,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:11,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash -528286763, now seen corresponding path program 1 times [2024-11-07 07:56:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:11,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25420718] [2024-11-07 07:56:11,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:11,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:14,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:15,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:15,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25420718] [2024-11-07 07:56:15,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25420718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:15,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:15,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:56:15,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93236872] [2024-11-07 07:56:15,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:15,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:56:15,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:15,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:56:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:56:15,115 INFO L87 Difference]: Start difference. First operand 321 states and 494 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:17,584 INFO L93 Difference]: Finished difference Result 1162 states and 1713 transitions. [2024-11-07 07:56:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:56:17,584 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 07:56:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:17,591 INFO L225 Difference]: With dead ends: 1162 [2024-11-07 07:56:17,592 INFO L226 Difference]: Without dead ends: 844 [2024-11-07 07:56:17,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-07 07:56:17,595 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 673 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:17,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1040 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 07:56:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-11-07 07:56:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 389. [2024-11-07 07:56:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 324 states have (on average 1.462962962962963) internal successors, (474), 324 states have internal predecessors, (474), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 598 transitions. [2024-11-07 07:56:17,635 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 598 transitions. Word has length 206 [2024-11-07 07:56:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:17,636 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 598 transitions. [2024-11-07 07:56:17,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 598 transitions. [2024-11-07 07:56:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 07:56:17,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:17,640 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:17,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:56:17,640 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:17,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:17,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1808150441, now seen corresponding path program 1 times [2024-11-07 07:56:17,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:17,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499228680] [2024-11-07 07:56:17,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:18,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:18,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499228680] [2024-11-07 07:56:18,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499228680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:18,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:18,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:56:18,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645872959] [2024-11-07 07:56:18,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:18,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:56:18,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:18,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:56:18,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:56:18,930 INFO L87 Difference]: Start difference. First operand 389 states and 598 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:19,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:19,688 INFO L93 Difference]: Finished difference Result 1100 states and 1681 transitions. [2024-11-07 07:56:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 07:56:19,689 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 07:56:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:19,695 INFO L225 Difference]: With dead ends: 1100 [2024-11-07 07:56:19,695 INFO L226 Difference]: Without dead ends: 714 [2024-11-07 07:56:19,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:56:19,699 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 266 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:19,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 495 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 07:56:19,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-07 07:56:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 475. [2024-11-07 07:56:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 410 states have (on average 1.4926829268292683) internal successors, (612), 410 states have internal predecessors, (612), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 736 transitions. [2024-11-07 07:56:19,741 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 736 transitions. Word has length 206 [2024-11-07 07:56:19,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:19,743 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 736 transitions. [2024-11-07 07:56:19,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 736 transitions. [2024-11-07 07:56:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 07:56:19,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:19,746 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:19,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:56:19,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:19,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash 797873113, now seen corresponding path program 1 times [2024-11-07 07:56:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:19,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538889230] [2024-11-07 07:56:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:21,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538889230] [2024-11-07 07:56:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538889230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:21,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:21,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:56:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277567853] [2024-11-07 07:56:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:21,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:56:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:21,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:56:21,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:56:21,100 INFO L87 Difference]: Start difference. First operand 475 states and 736 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:22,613 INFO L93 Difference]: Finished difference Result 1237 states and 1874 transitions. [2024-11-07 07:56:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:56:22,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 07:56:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:22,620 INFO L225 Difference]: With dead ends: 1237 [2024-11-07 07:56:22,620 INFO L226 Difference]: Without dead ends: 765 [2024-11-07 07:56:22,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:56:22,624 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 258 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:22,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 927 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:56:22,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-07 07:56:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 420. [2024-11-07 07:56:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 355 states have (on average 1.4732394366197183) internal successors, (523), 355 states have internal predecessors, (523), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 647 transitions. [2024-11-07 07:56:22,667 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 647 transitions. Word has length 206 [2024-11-07 07:56:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:22,668 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 647 transitions. [2024-11-07 07:56:22,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 647 transitions. [2024-11-07 07:56:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 07:56:22,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:22,672 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:22,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:56:22,673 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:22,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:22,674 INFO L85 PathProgramCache]: Analyzing trace with hash -147945687, now seen corresponding path program 1 times [2024-11-07 07:56:22,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:22,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041662389] [2024-11-07 07:56:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:22,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:22,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:22,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041662389] [2024-11-07 07:56:22,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041662389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:22,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:22,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:56:22,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076595693] [2024-11-07 07:56:22,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:22,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:56:22,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:22,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:56:22,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:56:22,860 INFO L87 Difference]: Start difference. First operand 420 states and 647 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:22,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:22,967 INFO L93 Difference]: Finished difference Result 1105 states and 1703 transitions. [2024-11-07 07:56:22,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:56:22,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-07 07:56:22,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:22,975 INFO L225 Difference]: With dead ends: 1105 [2024-11-07 07:56:22,976 INFO L226 Difference]: Without dead ends: 688 [2024-11-07 07:56:22,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:56:22,978 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 148 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:22,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 459 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:56:22,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-07 07:56:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 539. [2024-11-07 07:56:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 474 states have (on average 1.4915611814345993) internal successors, (707), 474 states have internal predecessors, (707), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 07:56:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 831 transitions. [2024-11-07 07:56:23,020 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 831 transitions. Word has length 206 [2024-11-07 07:56:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:23,021 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 831 transitions. [2024-11-07 07:56:23,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 831 transitions. [2024-11-07 07:56:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-07 07:56:23,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:23,024 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:23,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:56:23,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:23,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1976753518, now seen corresponding path program 1 times [2024-11-07 07:56:23,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:23,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930737781] [2024-11-07 07:56:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:23,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930737781] [2024-11-07 07:56:23,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930737781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:23,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:23,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 07:56:23,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130705099] [2024-11-07 07:56:23,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:23,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 07:56:23,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 07:56:23,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:56:23,406 INFO L87 Difference]: Start difference. First operand 539 states and 831 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:23,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:23,945 INFO L93 Difference]: Finished difference Result 1444 states and 2219 transitions. [2024-11-07 07:56:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:56:23,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-07 07:56:23,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:23,951 INFO L225 Difference]: With dead ends: 1444 [2024-11-07 07:56:23,951 INFO L226 Difference]: Without dead ends: 908 [2024-11-07 07:56:23,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 07:56:23,954 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 172 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:23,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 560 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:56:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-11-07 07:56:23,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 750. [2024-11-07 07:56:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 679 states have (on average 1.508100147275405) internal successors, (1024), 680 states have internal predecessors, (1024), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 07:56:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1156 transitions. [2024-11-07 07:56:23,995 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1156 transitions. Word has length 207 [2024-11-07 07:56:23,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:23,996 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1156 transitions. [2024-11-07 07:56:23,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1156 transitions. [2024-11-07 07:56:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 07:56:23,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:23,999 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:23,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:56:24,000 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:24,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -418640496, now seen corresponding path program 1 times [2024-11-07 07:56:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:24,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15027081] [2024-11-07 07:56:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 07:56:24,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:24,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15027081] [2024-11-07 07:56:24,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15027081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:56:24,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708736283] [2024-11-07 07:56:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:24,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:56:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:56:24,777 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 07:56:24,778 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 07:56:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:24,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 07:56:24,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:56:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-07 07:56:26,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 07:56:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-07 07:56:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708736283] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 07:56:26,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 07:56:26,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 7] total 20 [2024-11-07 07:56:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264411369] [2024-11-07 07:56:26,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 07:56:26,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 07:56:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:26,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 07:56:26,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-07 07:56:26,502 INFO L87 Difference]: Start difference. First operand 750 states and 1156 transitions. Second operand has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-07 07:56:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:29,519 INFO L93 Difference]: Finished difference Result 2147 states and 3167 transitions. [2024-11-07 07:56:29,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-07 07:56:29,520 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) Word has length 208 [2024-11-07 07:56:29,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:29,527 INFO L225 Difference]: With dead ends: 2147 [2024-11-07 07:56:29,527 INFO L226 Difference]: Without dead ends: 1184 [2024-11-07 07:56:29,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1529 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1214, Invalid=4042, Unknown=0, NotChecked=0, Total=5256 [2024-11-07 07:56:29,530 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2269 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:29,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 1241 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 07:56:29,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-07 07:56:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 858. [2024-11-07 07:56:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 751 states have (on average 1.4354194407456724) internal successors, (1078), 755 states have internal predecessors, (1078), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:56:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1258 transitions. [2024-11-07 07:56:29,599 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1258 transitions. Word has length 208 [2024-11-07 07:56:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:29,599 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1258 transitions. [2024-11-07 07:56:29,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-07 07:56:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1258 transitions. [2024-11-07 07:56:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 07:56:29,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:29,603 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:29,622 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 07:56:29,807 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 07:56:29,808 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:29,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash -476914868, now seen corresponding path program 1 times [2024-11-07 07:56:29,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:29,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119433579] [2024-11-07 07:56:29,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:29,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:31,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:31,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119433579] [2024-11-07 07:56:31,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119433579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:31,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:31,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:56:31,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442649802] [2024-11-07 07:56:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:31,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:56:31,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:31,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:56:31,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:56:31,782 INFO L87 Difference]: Start difference. First operand 858 states and 1258 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:34,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:34,080 INFO L93 Difference]: Finished difference Result 2055 states and 2989 transitions. [2024-11-07 07:56:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:56:34,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 07:56:34,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:34,093 INFO L225 Difference]: With dead ends: 2055 [2024-11-07 07:56:34,093 INFO L226 Difference]: Without dead ends: 1532 [2024-11-07 07:56:34,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-07 07:56:34,097 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 567 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:34,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1199 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 07:56:34,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-07 07:56:34,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 874. [2024-11-07 07:56:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 767 states have (on average 1.4354628422425033) internal successors, (1101), 771 states have internal predecessors, (1101), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:56:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1281 transitions. [2024-11-07 07:56:34,199 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1281 transitions. Word has length 208 [2024-11-07 07:56:34,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:34,200 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1281 transitions. [2024-11-07 07:56:34,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1281 transitions. [2024-11-07 07:56:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 07:56:34,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:34,204 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:34,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:56:34,205 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:34,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1488032118, now seen corresponding path program 1 times [2024-11-07 07:56:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:34,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821152317] [2024-11-07 07:56:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:35,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:35,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821152317] [2024-11-07 07:56:35,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821152317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:35,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:35,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:56:35,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280868682] [2024-11-07 07:56:35,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:35,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:56:35,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:35,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:56:35,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:56:35,983 INFO L87 Difference]: Start difference. First operand 874 states and 1281 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:37,366 INFO L93 Difference]: Finished difference Result 2068 states and 3012 transitions. [2024-11-07 07:56:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:56:37,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-07 07:56:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:37,373 INFO L225 Difference]: With dead ends: 2068 [2024-11-07 07:56:37,373 INFO L226 Difference]: Without dead ends: 1197 [2024-11-07 07:56:37,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:56:37,377 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 335 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:37,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 661 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 07:56:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-07 07:56:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 924. [2024-11-07 07:56:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 817 states have (on average 1.438188494492044) internal successors, (1175), 821 states have internal predecessors, (1175), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:56:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1355 transitions. [2024-11-07 07:56:37,444 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1355 transitions. Word has length 208 [2024-11-07 07:56:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:37,444 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1355 transitions. [2024-11-07 07:56:37,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1355 transitions. [2024-11-07 07:56:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-07 07:56:37,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:37,447 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:37,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:56:37,447 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:37,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:37,448 INFO L85 PathProgramCache]: Analyzing trace with hash 101331390, now seen corresponding path program 1 times [2024-11-07 07:56:37,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:37,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131545218] [2024-11-07 07:56:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:43,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:43,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131545218] [2024-11-07 07:56:43,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131545218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:43,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:43,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 07:56:43,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472908254] [2024-11-07 07:56:43,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:43,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 07:56:43,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:43,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 07:56:43,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:56:43,137 INFO L87 Difference]: Start difference. First operand 924 states and 1355 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:50,899 INFO L93 Difference]: Finished difference Result 2353 states and 3409 transitions. [2024-11-07 07:56:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 07:56:50,901 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-07 07:56:50,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:50,911 INFO L225 Difference]: With dead ends: 2353 [2024-11-07 07:56:50,912 INFO L226 Difference]: Without dead ends: 1414 [2024-11-07 07:56:50,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2024-11-07 07:56:50,915 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 680 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:50,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1348 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-07 07:56:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-11-07 07:56:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1013. [2024-11-07 07:56:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 906 states have (on average 1.4426048565121412) internal successors, (1307), 910 states have internal predecessors, (1307), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:56:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1487 transitions. [2024-11-07 07:56:50,993 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1487 transitions. Word has length 209 [2024-11-07 07:56:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:50,994 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1487 transitions. [2024-11-07 07:56:50,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1487 transitions. [2024-11-07 07:56:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-07 07:56:50,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:50,998 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:50,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:56:50,998 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:50,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 802395968, now seen corresponding path program 1 times [2024-11-07 07:56:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:50,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461816315] [2024-11-07 07:56:50,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:56:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:56:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:56:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:56:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:56:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:56:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:56:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:56:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:56:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:56:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:56:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:56:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:56:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:56:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:56:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:56:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:56:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:56:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:56:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:56:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:56:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:56:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:56:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:56:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:56:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:56:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:56:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:56:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:56:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:56:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:56:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:56:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:56:54,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:56:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461816315] [2024-11-07 07:56:54,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461816315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:56:54,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:56:54,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 07:56:54,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934255424] [2024-11-07 07:56:54,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:56:54,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 07:56:54,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:56:54,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 07:56:54,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:56:54,859 INFO L87 Difference]: Start difference. First operand 1013 states and 1487 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:58,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:56:58,033 INFO L93 Difference]: Finished difference Result 2454 states and 3548 transitions. [2024-11-07 07:56:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 07:56:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-07 07:56:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:56:58,041 INFO L225 Difference]: With dead ends: 2454 [2024-11-07 07:56:58,041 INFO L226 Difference]: Without dead ends: 1407 [2024-11-07 07:56:58,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2024-11-07 07:56:58,046 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 737 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:56:58,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 789 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 07:56:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-11-07 07:56:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 983. [2024-11-07 07:56:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 876 states have (on average 1.447488584474886) internal successors, (1268), 880 states have internal predecessors, (1268), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:56:58,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1448 transitions. [2024-11-07 07:56:58,127 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1448 transitions. Word has length 209 [2024-11-07 07:56:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:56:58,127 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1448 transitions. [2024-11-07 07:56:58,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:56:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1448 transitions. [2024-11-07 07:56:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-07 07:56:58,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:56:58,131 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:56:58,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 07:56:58,131 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:56:58,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:56:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash -919736964, now seen corresponding path program 1 times [2024-11-07 07:56:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:56:58,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025609939] [2024-11-07 07:56:58,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:56:58,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:56:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:57:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:57:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:57:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:57:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:57:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:57:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:57:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:57:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:57:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:57:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:57:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:57:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:57:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 07:57:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 07:57:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:57:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 07:57:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:57:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 07:57:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 07:57:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 07:57:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 07:57:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 07:57:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 07:57:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 07:57:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 07:57:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 07:57:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 07:57:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 07:57:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 07:57:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 07:57:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:57:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-07 07:57:02,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:57:02,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025609939] [2024-11-07 07:57:02,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025609939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:57:02,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:57:02,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 07:57:02,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955056790] [2024-11-07 07:57:02,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:57:02,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 07:57:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:57:02,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 07:57:02,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-07 07:57:02,510 INFO L87 Difference]: Start difference. First operand 983 states and 1448 transitions. Second operand has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:57:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:57:10,913 INFO L93 Difference]: Finished difference Result 2523 states and 3663 transitions. [2024-11-07 07:57:10,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 07:57:10,914 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-07 07:57:10,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:57:10,920 INFO L225 Difference]: With dead ends: 2523 [2024-11-07 07:57:10,920 INFO L226 Difference]: Without dead ends: 1531 [2024-11-07 07:57:10,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2024-11-07 07:57:10,923 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 743 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:57:10,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1531 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-07 07:57:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2024-11-07 07:57:11,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1039. [2024-11-07 07:57:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 932 states have (on average 1.444206008583691) internal successors, (1346), 936 states have internal predecessors, (1346), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 07:57:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1526 transitions. [2024-11-07 07:57:11,009 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1526 transitions. Word has length 209 [2024-11-07 07:57:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:57:11,010 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1526 transitions. [2024-11-07 07:57:11,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 07:57:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1526 transitions. [2024-11-07 07:57:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-07 07:57:11,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:57:11,013 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:57:11,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 07:57:11,013 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:57:11,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:57:11,013 INFO L85 PathProgramCache]: Analyzing trace with hash -218672386, now seen corresponding path program 1 times [2024-11-07 07:57:11,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:57:11,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881427995] [2024-11-07 07:57:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:57:11,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms