./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.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', '2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.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 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:57:26,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:57:26,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:57:26,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:57:26,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:57:26,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:57:26,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:57:26,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:57:26,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:57:26,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:57:26,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:57:26,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:57:26,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:57:26,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:57:26,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:57:26,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:57:26,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:57:26,887 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:57:26,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:57:26,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:57:26,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:57:26,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:57:26,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:57:26,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:57:26,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:57:26,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:57:26,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:57:26,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:57:26,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:57:26,889 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 -> 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe [2024-11-07 06:57:27,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:57:27,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:57:27,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:57:27,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:57:27,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:57:27,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-11-07 06:57:28,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:57:28,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:57:28,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-11-07 06:57:28,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82d60d49b/9aba23a18a594671b7a3db6627510d66/FLAG3020451d8 [2024-11-07 06:57:29,138 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/82d60d49b/9aba23a18a594671b7a3db6627510d66 [2024-11-07 06:57:29,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:57:29,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:57:29,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:57:29,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:57:29,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:57:29,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@faef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29, skipping insertion in model container [2024-11-07 06:57:29,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:57:29,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-11-07 06:57:29,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:57:29,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:57:29,368 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-11-07 06:57:29,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:57:29,436 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:57:29,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29 WrapperNode [2024-11-07 06:57:29,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:57:29,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:57:29,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:57:29,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:57:29,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,502 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-11-07 06:57:29,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:57:29,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:57:29,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:57:29,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:57:29,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,548 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 06:57:29,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:57:29,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:57:29,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:57:29,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:57:29,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (1/1) ... [2024-11-07 06:57:29,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:57:29,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:57:29,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 06:57:29,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 06:57:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:57:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:57:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:57:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:57:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:57:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:57:29,771 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:57:29,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:57:30,270 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 06:57:30,271 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:57:30,283 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:57:30,283 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:57:30,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:30 BoogieIcfgContainer [2024-11-07 06:57:30,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:57:30,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:57:30,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:57:30,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:57:30,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:57:29" (1/3) ... [2024-11-07 06:57:30,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc8a429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:30, skipping insertion in model container [2024-11-07 06:57:30,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:29" (2/3) ... [2024-11-07 06:57:30,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc8a429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:30, skipping insertion in model container [2024-11-07 06:57:30,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:30" (3/3) ... [2024-11-07 06:57:30,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-11-07 06:57:30,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:57:30,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:57:30,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:57:30,374 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;@33627e19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:57:30,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:57:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 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 06:57:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-07 06:57:30,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:30,394 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] [2024-11-07 06:57:30,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:30,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash 774158255, now seen corresponding path program 1 times [2024-11-07 06:57:30,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:30,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886318187] [2024-11-07 06:57:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:30,995 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 06:57:30,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886318187] [2024-11-07 06:57:31,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886318187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:31,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:31,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:57:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638942136] [2024-11-07 06:57:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:31,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:57:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:31,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:57:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:57:31,035 INFO L87 Difference]: Start difference. First operand has 106 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:57:31,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:31,065 INFO L93 Difference]: Finished difference Result 205 states and 361 transitions. [2024-11-07 06:57:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:57:31,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 202 [2024-11-07 06:57:31,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:31,073 INFO L225 Difference]: With dead ends: 205 [2024-11-07 06:57:31,073 INFO L226 Difference]: Without dead ends: 102 [2024-11-07 06:57:31,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:57:31,079 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:31,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:57:31,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-07 06:57:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-07 06:57:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 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 06:57:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 161 transitions. [2024-11-07 06:57:31,138 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 161 transitions. Word has length 202 [2024-11-07 06:57:31,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:31,138 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 161 transitions. [2024-11-07 06:57:31,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:57:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 161 transitions. [2024-11-07 06:57:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-07 06:57:31,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:31,143 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] [2024-11-07 06:57:31,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:57:31,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:31,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:31,144 INFO L85 PathProgramCache]: Analyzing trace with hash -927856859, now seen corresponding path program 1 times [2024-11-07 06:57:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:31,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346296023] [2024-11-07 06:57:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:31,740 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 06:57:31,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:31,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346296023] [2024-11-07 06:57:31,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346296023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:31,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:31,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:57:31,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86103303] [2024-11-07 06:57:31,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:31,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:57:31,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:31,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:57:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:57:31,746 INFO L87 Difference]: Start difference. First operand 102 states and 161 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 06:57:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:31,820 INFO L93 Difference]: Finished difference Result 283 states and 453 transitions. [2024-11-07 06:57:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:57:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 202 [2024-11-07 06:57:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:31,824 INFO L225 Difference]: With dead ends: 283 [2024-11-07 06:57:31,824 INFO L226 Difference]: Without dead ends: 184 [2024-11-07 06:57:31,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:57:31,826 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 76 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:31,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 295 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:57:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-07 06:57:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2024-11-07 06:57:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 06:57:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 266 transitions. [2024-11-07 06:57:31,861 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 266 transitions. Word has length 202 [2024-11-07 06:57:31,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:31,862 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 266 transitions. [2024-11-07 06:57:31,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 06:57:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 266 transitions. [2024-11-07 06:57:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 06:57:31,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:31,869 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 06:57:31,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:57:31,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:31,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:31,871 INFO L85 PathProgramCache]: Analyzing trace with hash -954396203, now seen corresponding path program 1 times [2024-11-07 06:57:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:31,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022739043] [2024-11-07 06:57:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:31,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,217 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 06:57:32,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:32,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022739043] [2024-11-07 06:57:32,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022739043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:32,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:32,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:57:32,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015873423] [2024-11-07 06:57:32,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:32,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:57:32,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:32,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:57:32,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:57:32,222 INFO L87 Difference]: Start difference. First operand 169 states and 266 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:32,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:32,399 INFO L93 Difference]: Finished difference Result 399 states and 625 transitions. [2024-11-07 06:57:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 06:57:32,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:32,403 INFO L225 Difference]: With dead ends: 399 [2024-11-07 06:57:32,404 INFO L226 Difference]: Without dead ends: 300 [2024-11-07 06:57:32,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:57:32,411 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 178 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:32,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 376 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:57:32,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-07 06:57:32,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 273. [2024-11-07 06:57:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 202 states have (on average 1.4851485148514851) internal successors, (300), 203 states have internal predecessors, (300), 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 06:57:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 432 transitions. [2024-11-07 06:57:32,460 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 432 transitions. Word has length 204 [2024-11-07 06:57:32,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:32,461 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 432 transitions. [2024-11-07 06:57:32,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 432 transitions. [2024-11-07 06:57:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-07 06:57:32,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:32,468 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 06:57:32,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:57:32,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:32,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1347423213, now seen corresponding path program 1 times [2024-11-07 06:57:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:32,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201292353] [2024-11-07 06:57:32,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:32,875 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 06:57:32,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201292353] [2024-11-07 06:57:32,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201292353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:32,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:32,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:57:32,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246557447] [2024-11-07 06:57:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:32,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:57:32,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:32,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:57:32,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:57:32,879 INFO L87 Difference]: Start difference. First operand 273 states and 432 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:32,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:32,971 INFO L93 Difference]: Finished difference Result 505 states and 807 transitions. [2024-11-07 06:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 06:57:32,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:32,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:32,977 INFO L225 Difference]: With dead ends: 505 [2024-11-07 06:57:32,978 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 06:57:32,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 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 06:57:32,980 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 74 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:32,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 442 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:57:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 06:57:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 273. [2024-11-07 06:57:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 202 states have (on average 1.4702970297029703) internal successors, (297), 203 states have internal predecessors, (297), 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 06:57:33,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 429 transitions. [2024-11-07 06:57:33,010 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 429 transitions. Word has length 204 [2024-11-07 06:57:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:33,011 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 429 transitions. [2024-11-07 06:57:33,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 06:57:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 429 transitions. [2024-11-07 06:57:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 06:57:33,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:33,014 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 06:57:33,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:57:33,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:33,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2084473112, now seen corresponding path program 1 times [2024-11-07 06:57:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:33,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692674629] [2024-11-07 06:57:33,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:33,387 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 06:57:33,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:33,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692674629] [2024-11-07 06:57:33,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692674629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:33,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:33,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 06:57:33,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276740373] [2024-11-07 06:57:33,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:33,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:57:33,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:57:33,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:57:33,389 INFO L87 Difference]: Start difference. First operand 273 states and 429 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 06:57:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:33,513 INFO L93 Difference]: Finished difference Result 504 states and 789 transitions. [2024-11-07 06:57:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:57:33,514 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 06:57:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:33,516 INFO L225 Difference]: With dead ends: 504 [2024-11-07 06:57:33,516 INFO L226 Difference]: Without dead ends: 307 [2024-11-07 06:57:33,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 06:57:33,518 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 74 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:33,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 505 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 06:57:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-07 06:57:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 255. [2024-11-07 06:57:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 188 states have (on average 1.425531914893617) internal successors, (268), 188 states have internal predecessors, (268), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 06:57:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 392 transitions. [2024-11-07 06:57:33,544 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 392 transitions. Word has length 205 [2024-11-07 06:57:33,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:33,545 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 392 transitions. [2024-11-07 06:57:33,545 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 06:57:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 392 transitions. [2024-11-07 06:57:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 06:57:33,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:33,547 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 06:57:33,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:57:33,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:33,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1116402596, now seen corresponding path program 1 times [2024-11-07 06:57:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:33,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695972370] [2024-11-07 06:57:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:34,825 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 06:57:34,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:34,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695972370] [2024-11-07 06:57:34,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695972370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:34,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:34,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 06:57:34,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266717825] [2024-11-07 06:57:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:34,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 06:57:34,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:34,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 06:57:34,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 06:57:34,829 INFO L87 Difference]: Start difference. First operand 255 states and 392 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 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 06:57:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:57:35,912 INFO L93 Difference]: Finished difference Result 690 states and 1053 transitions. [2024-11-07 06:57:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 06:57:35,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 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 06:57:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:57:35,915 INFO L225 Difference]: With dead ends: 690 [2024-11-07 06:57:35,915 INFO L226 Difference]: Without dead ends: 528 [2024-11-07 06:57:35,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-07 06:57:35,917 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 555 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:57:35,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 785 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 06:57:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-07 06:57:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 349. [2024-11-07 06:57:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 280 states have (on average 1.4428571428571428) internal successors, (404), 280 states have internal predecessors, (404), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 06:57:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 528 transitions. [2024-11-07 06:57:35,947 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 528 transitions. Word has length 205 [2024-11-07 06:57:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:57:35,948 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 528 transitions. [2024-11-07 06:57:35,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 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 06:57:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 528 transitions. [2024-11-07 06:57:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 06:57:35,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:57:35,951 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 06:57:35,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 06:57:35,952 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:57:35,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:57:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash -105285346, now seen corresponding path program 1 times [2024-11-07 06:57:35,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:57:35,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394941464] [2024-11-07 06:57:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:57:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:57:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:57:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:57:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:57:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:57:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:57:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:57:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:57:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:57:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:57:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:57:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:57:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:57:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:57:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:57:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:57:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:57:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:57:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:57:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:57:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:57:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:57:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:57:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:57:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:57:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:57:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:57:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:57:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:57:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:57:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:57:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:57:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:57:55,095 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 06:57:55,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:57:55,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394941464] [2024-11-07 06:57:55,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394941464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:57:55,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:57:55,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:57:55,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450758111] [2024-11-07 06:57:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:57:55,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:57:55,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:57:55,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:57:55,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:57:55,098 INFO L87 Difference]: Start difference. First operand 349 states and 528 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:58:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:01,230 INFO L93 Difference]: Finished difference Result 742 states and 1121 transitions. [2024-11-07 06:58:01,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 06:58:01,230 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 205 [2024-11-07 06:58:01,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:01,234 INFO L225 Difference]: With dead ends: 742 [2024-11-07 06:58:01,237 INFO L226 Difference]: Without dead ends: 580 [2024-11-07 06:58:01,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=245, Invalid=811, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 06:58:01,239 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 669 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:01,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 885 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 06:58:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-07 06:58:01,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 361. [2024-11-07 06:58:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 292 states have (on average 1.4417808219178083) internal successors, (421), 292 states have internal predecessors, (421), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 06:58:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 545 transitions. [2024-11-07 06:58:01,272 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 545 transitions. Word has length 205 [2024-11-07 06:58:01,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:01,273 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 545 transitions. [2024-11-07 06:58:01,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:58:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 545 transitions. [2024-11-07 06:58:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-07 06:58:01,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:01,276 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 06:58:01,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 06:58:01,276 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:01,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:01,277 INFO L85 PathProgramCache]: Analyzing trace with hash 152880092, now seen corresponding path program 1 times [2024-11-07 06:58:01,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:01,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172252228] [2024-11-07 06:58:01,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:01,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:02,989 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 06:58:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:02,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172252228] [2024-11-07 06:58:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172252228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 06:58:02,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653417889] [2024-11-07 06:58:02,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:02,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 06:58:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:02,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 06:58:02,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 06:58:02,992 INFO L87 Difference]: Start difference. First operand 361 states and 545 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:58:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:05,611 INFO L93 Difference]: Finished difference Result 762 states and 1149 transitions. [2024-11-07 06:58:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 06:58:05,612 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 205 [2024-11-07 06:58:05,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:05,616 INFO L225 Difference]: With dead ends: 762 [2024-11-07 06:58:05,616 INFO L226 Difference]: Without dead ends: 600 [2024-11-07 06:58:05,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2024-11-07 06:58:05,618 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 742 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:05,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1099 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 06:58:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-07 06:58:05,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 407. [2024-11-07 06:58:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 326 states have (on average 1.4325153374233128) internal successors, (467), 327 states have internal predecessors, (467), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 06:58:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 611 transitions. [2024-11-07 06:58:05,660 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 611 transitions. Word has length 205 [2024-11-07 06:58:05,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:05,661 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 611 transitions. [2024-11-07 06:58:05,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 06:58:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 611 transitions. [2024-11-07 06:58:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 06:58:05,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:05,664 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 06:58:05,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 06:58:05,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:05,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:05,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1170818138, now seen corresponding path program 1 times [2024-11-07 06:58:05,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:05,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752944824] [2024-11-07 06:58:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:05,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:15,226 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 06:58:15,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:15,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752944824] [2024-11-07 06:58:15,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752944824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:15,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:15,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 06:58:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792943313] [2024-11-07 06:58:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:15,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 06:58:15,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:15,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 06:58:15,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 06:58:15,228 INFO L87 Difference]: Start difference. First operand 407 states and 611 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 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 06:58:18,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:18,062 INFO L93 Difference]: Finished difference Result 808 states and 1201 transitions. [2024-11-07 06:58:18,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 06:58:18,063 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 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 06:58:18,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:18,068 INFO L225 Difference]: With dead ends: 808 [2024-11-07 06:58:18,068 INFO L226 Difference]: Without dead ends: 618 [2024-11-07 06:58:18,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-07 06:58:18,071 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 360 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:18,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 815 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 06:58:18,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-07 06:58:18,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 455. [2024-11-07 06:58:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 374 states have (on average 1.4385026737967914) internal successors, (538), 375 states have internal predecessors, (538), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 06:58:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 682 transitions. [2024-11-07 06:58:18,107 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 682 transitions. Word has length 206 [2024-11-07 06:58:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:18,108 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 682 transitions. [2024-11-07 06:58:18,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 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 06:58:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 682 transitions. [2024-11-07 06:58:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 06:58:18,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:18,111 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 06:58:18,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 06:58:18,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:18,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:18,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1428983576, now seen corresponding path program 1 times [2024-11-07 06:58:18,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:18,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656216828] [2024-11-07 06:58:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:18,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:18,742 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 06:58:18,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:18,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656216828] [2024-11-07 06:58:18,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656216828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:18,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:18,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 06:58:18,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548487561] [2024-11-07 06:58:18,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:18,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 06:58:18,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:18,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 06:58:18,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 06:58:18,743 INFO L87 Difference]: Start difference. First operand 455 states and 682 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:58:19,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:19,211 INFO L93 Difference]: Finished difference Result 741 states and 1119 transitions. [2024-11-07 06:58:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 06:58:19,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:58:19,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:19,215 INFO L225 Difference]: With dead ends: 741 [2024-11-07 06:58:19,216 INFO L226 Difference]: Without dead ends: 509 [2024-11-07 06:58:19,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 06:58:19,217 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 188 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:19,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 603 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 06:58:19,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-07 06:58:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 471. [2024-11-07 06:58:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 390 states have (on average 1.4102564102564104) internal successors, (550), 391 states have internal predecessors, (550), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 06:58:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 694 transitions. [2024-11-07 06:58:19,255 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 694 transitions. Word has length 206 [2024-11-07 06:58:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:19,256 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 694 transitions. [2024-11-07 06:58:19,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 06:58:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 694 transitions. [2024-11-07 06:58:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 06:58:19,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:19,258 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 06:58:19,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 06:58:19,259 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:19,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2113031908, now seen corresponding path program 1 times [2024-11-07 06:58:19,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:19,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661710087] [2024-11-07 06:58:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:25,955 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 06:58:25,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:25,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661710087] [2024-11-07 06:58:25,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661710087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:25,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:25,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 06:58:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014030752] [2024-11-07 06:58:25,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:25,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 06:58:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:25,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 06:58:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 06:58:25,957 INFO L87 Difference]: Start difference. First operand 471 states and 694 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 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 06:58:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:28,919 INFO L93 Difference]: Finished difference Result 755 states and 1111 transitions. [2024-11-07 06:58:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 06:58:28,921 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 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 06:58:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:28,924 INFO L225 Difference]: With dead ends: 755 [2024-11-07 06:58:28,925 INFO L226 Difference]: Without dead ends: 565 [2024-11-07 06:58:28,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-07 06:58:28,927 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 295 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:28,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 810 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 06:58:28,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-07 06:58:28,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 471. [2024-11-07 06:58:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 390 states have (on average 1.4102564102564104) internal successors, (550), 391 states have internal predecessors, (550), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-07 06:58:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 694 transitions. [2024-11-07 06:58:28,965 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 694 transitions. Word has length 206 [2024-11-07 06:58:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:28,965 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 694 transitions. [2024-11-07 06:58:28,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 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 06:58:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 694 transitions. [2024-11-07 06:58:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 06:58:28,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:28,967 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 06:58:28,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 06:58:28,968 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:28,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:28,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1487967977, now seen corresponding path program 1 times [2024-11-07 06:58:28,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:28,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126763419] [2024-11-07 06:58:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:33,967 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 06:58:33,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:33,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126763419] [2024-11-07 06:58:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126763419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:33,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:33,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 06:58:33,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965930832] [2024-11-07 06:58:33,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:33,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 06:58:33,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:33,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 06:58:33,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-07 06:58:33,971 INFO L87 Difference]: Start difference. First operand 471 states and 694 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 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 06:58:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:58:36,130 INFO L93 Difference]: Finished difference Result 933 states and 1351 transitions. [2024-11-07 06:58:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 06:58:36,131 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 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 06:58:36,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:58:36,139 INFO L225 Difference]: With dead ends: 933 [2024-11-07 06:58:36,139 INFO L226 Difference]: Without dead ends: 740 [2024-11-07 06:58:36,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=201, Invalid=555, Unknown=0, NotChecked=0, Total=756 [2024-11-07 06:58:36,141 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 483 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:58:36,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1023 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 06:58:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-07 06:58:36,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 590. [2024-11-07 06:58:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 495 states have (on average 1.404040404040404) internal successors, (695), 497 states have internal predecessors, (695), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-07 06:58:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 863 transitions. [2024-11-07 06:58:36,187 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 863 transitions. Word has length 206 [2024-11-07 06:58:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:58:36,188 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 863 transitions. [2024-11-07 06:58:36,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 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 06:58:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 863 transitions. [2024-11-07 06:58:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 06:58:36,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:58:36,192 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 06:58:36,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 06:58:36,192 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:58:36,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:58:36,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1712907731, now seen corresponding path program 1 times [2024-11-07 06:58:36,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:58:36,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347121612] [2024-11-07 06:58:36,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:58:36,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:58:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:58:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:58:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:58:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:58:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:58:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:58:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:58:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:58:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:58:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:58:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:58:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:58:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:58:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:58:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:58:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:58:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:58:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:58:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:58:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:58:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:58:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:58:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:58:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:58:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:58:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:58:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:58:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 06:58:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 06:58:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 06:58:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 06:58:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:58:42,874 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 06:58:42,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:58:42,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347121612] [2024-11-07 06:58:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347121612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:58:42,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:58:42,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 06:58:42,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485099028] [2024-11-07 06:58:42,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:58:42,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 06:58:42,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:58:42,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 06:58:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:58:42,877 INFO L87 Difference]: Start difference. First operand 590 states and 863 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)