./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.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', '18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.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 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 05:56:29,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 05:56:29,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 05:56:29,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 05:56:29,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 05:56:29,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 05:56:29,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 05:56:29,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 05:56:29,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 05:56:29,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 05:56:29,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 05:56:29,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 05:56:29,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 05:56:29,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 05:56:29,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 05:56:29,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 05:56:29,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 05:56:29,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 05:56:29,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 05:56:29,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 05:56:29,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 05:56:29,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 05:56:29,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 05:56:29,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:56:29,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 05:56:29,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 05:56:29,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 05:56:29,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 05:56:29,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 05:56:29,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 05:56:29,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 05:56:29,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 05:56:29,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 05:56:29,676 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 -> 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f [2024-11-07 05:56:29,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 05:56:30,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 05:56:30,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 05:56:30,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 05:56:30,014 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 05:56:30,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-07 05:56:31,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 05:56:31,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 05:56:31,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-07 05:56:31,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e2c2a6cb/b74b12bf7c3845728d91dfcfd6810578/FLAG973f0829a [2024-11-07 05:56:31,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e2c2a6cb/b74b12bf7c3845728d91dfcfd6810578 [2024-11-07 05:56:31,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 05:56:31,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 05:56:31,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 05:56:31,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 05:56:31,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 05:56:31,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:56:31" (1/1) ... [2024-11-07 05:56:31,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0e3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:31, skipping insertion in model container [2024-11-07 05:56:31,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:56:31" (1/1) ... [2024-11-07 05:56:31,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 05:56:31,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-11-07 05:56:31,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:56:31,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 05:56:31,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-11-07 05:56:32,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 05:56:32,044 INFO L204 MainTranslator]: Completed translation [2024-11-07 05:56:32,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32 WrapperNode [2024-11-07 05:56:32,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 05:56:32,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 05:56:32,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 05:56:32,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 05:56:32,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,131 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-07 05:56:32,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 05:56:32,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 05:56:32,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 05:56:32,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 05:56:32,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,177 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 05:56:32,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 05:56:32,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 05:56:32,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 05:56:32,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 05:56:32,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (1/1) ... [2024-11-07 05:56:32,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 05:56:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 05:56:32,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 05:56:32,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 05:56:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 05:56:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 05:56:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 05:56:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 05:56:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 05:56:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 05:56:32,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 05:56:32,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 05:56:32,966 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-07 05:56:32,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 05:56:32,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 05:56:32,979 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 05:56:32,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:56:32 BoogieIcfgContainer [2024-11-07 05:56:32,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 05:56:32,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 05:56:32,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 05:56:32,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 05:56:32,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:56:31" (1/3) ... [2024-11-07 05:56:32,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99c01db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:56:32, skipping insertion in model container [2024-11-07 05:56:32,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:32" (2/3) ... [2024-11-07 05:56:32,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99c01db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:56:32, skipping insertion in model container [2024-11-07 05:56:32,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:56:32" (3/3) ... [2024-11-07 05:56:32,988 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-11-07 05:56:33,000 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 05:56:33,001 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 05:56:33,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 05:56:33,074 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;@36fbebb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 05:56:33,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 05:56:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 05:56:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:56:33,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:33,101 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:33,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:33,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:33,107 INFO L85 PathProgramCache]: Analyzing trace with hash -852387863, now seen corresponding path program 1 times [2024-11-07 05:56:33,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:33,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919203819] [2024-11-07 05:56:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:33,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:33,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:33,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919203819] [2024-11-07 05:56:33,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919203819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:33,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:33,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 05:56:33,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194884356] [2024-11-07 05:56:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:33,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 05:56:33,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:33,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 05:56:33,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:56:33,759 INFO L87 Difference]: Start difference. First operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:56:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:33,794 INFO L93 Difference]: Finished difference Result 217 states and 383 transitions. [2024-11-07 05:56:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 05:56:33,796 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 212 [2024-11-07 05:56:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:33,802 INFO L225 Difference]: With dead ends: 217 [2024-11-07 05:56:33,802 INFO L226 Difference]: Without dead ends: 108 [2024-11-07 05:56:33,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 05:56:33,813 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:33,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 05:56:33,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-07 05:56:33,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-07 05:56:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 05:56:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 171 transitions. [2024-11-07 05:56:33,875 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 171 transitions. Word has length 212 [2024-11-07 05:56:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:33,877 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 171 transitions. [2024-11-07 05:56:33,877 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:56:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2024-11-07 05:56:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-07 05:56:33,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:33,881 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:33,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 05:56:33,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:33,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:33,883 INFO L85 PathProgramCache]: Analyzing trace with hash 413720035, now seen corresponding path program 1 times [2024-11-07 05:56:33,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:33,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476951640] [2024-11-07 05:56:33,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:33,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:34,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:34,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476951640] [2024-11-07 05:56:34,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476951640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:34,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:56:34,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669254235] [2024-11-07 05:56:34,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:34,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:56:34,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:34,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:56:34,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:56:34,760 INFO L87 Difference]: Start difference. First operand 108 states and 171 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:35,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:35,049 INFO L93 Difference]: Finished difference Result 358 states and 571 transitions. [2024-11-07 05:56:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:56:35,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-07 05:56:35,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:35,054 INFO L225 Difference]: With dead ends: 358 [2024-11-07 05:56:35,057 INFO L226 Difference]: Without dead ends: 253 [2024-11-07 05:56:35,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:56:35,059 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 178 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:35,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 550 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:56:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-07 05:56:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 213. [2024-11-07 05:56:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 144 states have (on average 1.4375) internal successors, (207), 144 states have internal predecessors, (207), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 05:56:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 339 transitions. [2024-11-07 05:56:35,108 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 339 transitions. Word has length 212 [2024-11-07 05:56:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:35,109 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 339 transitions. [2024-11-07 05:56:35,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 339 transitions. [2024-11-07 05:56:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-07 05:56:35,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:35,116 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:35,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 05:56:35,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:35,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 297199322, now seen corresponding path program 1 times [2024-11-07 05:56:35,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568213093] [2024-11-07 05:56:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:35,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:35,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568213093] [2024-11-07 05:56:35,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568213093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:35,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:35,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 05:56:35,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171355323] [2024-11-07 05:56:35,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:35,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 05:56:35,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 05:56:35,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:56:35,607 INFO L87 Difference]: Start difference. First operand 213 states and 339 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:36,069 INFO L93 Difference]: Finished difference Result 628 states and 1000 transitions. [2024-11-07 05:56:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 05:56:36,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-07 05:56:36,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:36,076 INFO L225 Difference]: With dead ends: 628 [2024-11-07 05:56:36,078 INFO L226 Difference]: Without dead ends: 418 [2024-11-07 05:56:36,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 05:56:36,081 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 204 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:36,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 606 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 05:56:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-07 05:56:36,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 217. [2024-11-07 05:56:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 148 states have (on average 1.4256756756756757) internal successors, (211), 148 states have internal predecessors, (211), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 05:56:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 343 transitions. [2024-11-07 05:56:36,153 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 343 transitions. Word has length 213 [2024-11-07 05:56:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:36,154 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 343 transitions. [2024-11-07 05:56:36,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2024-11-07 05:56:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:56:36,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:36,158 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:36,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 05:56:36,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:36,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:36,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1338569701, now seen corresponding path program 1 times [2024-11-07 05:56:36,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:36,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662778699] [2024-11-07 05:56:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:36,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:46,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662778699] [2024-11-07 05:56:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662778699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:46,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:46,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 05:56:46,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120946832] [2024-11-07 05:56:46,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:46,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 05:56:46,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:46,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 05:56:46,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-07 05:56:46,457 INFO L87 Difference]: Start difference. First operand 217 states and 343 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:49,754 INFO L93 Difference]: Finished difference Result 830 states and 1307 transitions. [2024-11-07 05:56:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 05:56:49,755 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:56:49,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:49,759 INFO L225 Difference]: With dead ends: 830 [2024-11-07 05:56:49,759 INFO L226 Difference]: Without dead ends: 616 [2024-11-07 05:56:49,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-07 05:56:49,762 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 756 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:49,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1243 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-07 05:56:49,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-07 05:56:49,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 422. [2024-11-07 05:56:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 319 states have (on average 1.4984326018808778) internal successors, (478), 319 states have internal predecessors, (478), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:56:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 676 transitions. [2024-11-07 05:56:49,814 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 676 transitions. Word has length 214 [2024-11-07 05:56:49,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:49,815 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 676 transitions. [2024-11-07 05:56:49,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 676 transitions. [2024-11-07 05:56:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:56:49,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:49,820 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:49,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 05:56:49,821 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:49,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1945280345, now seen corresponding path program 1 times [2024-11-07 05:56:49,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:49,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245076358] [2024-11-07 05:56:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:52,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:52,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245076358] [2024-11-07 05:56:52,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245076358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:52,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:52,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 05:56:52,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209666935] [2024-11-07 05:56:52,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:52,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 05:56:52,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:52,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 05:56:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 05:56:52,285 INFO L87 Difference]: Start difference. First operand 422 states and 676 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:53,657 INFO L93 Difference]: Finished difference Result 1023 states and 1658 transitions. [2024-11-07 05:56:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 05:56:53,657 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:56:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:53,663 INFO L225 Difference]: With dead ends: 1023 [2024-11-07 05:56:53,663 INFO L226 Difference]: Without dead ends: 753 [2024-11-07 05:56:53,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:56:53,665 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 558 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:53,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 673 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 05:56:53,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-07 05:56:53,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 467. [2024-11-07 05:56:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 364 states have (on average 1.4862637362637363) internal successors, (541), 364 states have internal predecessors, (541), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:56:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 739 transitions. [2024-11-07 05:56:53,728 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 739 transitions. Word has length 214 [2024-11-07 05:56:53,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:53,729 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 739 transitions. [2024-11-07 05:56:53,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 739 transitions. [2024-11-07 05:56:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:56:53,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:53,734 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:53,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 05:56:53,734 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:53,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1935329241, now seen corresponding path program 1 times [2024-11-07 05:56:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:53,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233615185] [2024-11-07 05:56:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:55,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:55,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233615185] [2024-11-07 05:56:55,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233615185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:55,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:55,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 05:56:55,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738014517] [2024-11-07 05:56:55,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:55,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 05:56:55,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:55,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 05:56:55,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 05:56:55,507 INFO L87 Difference]: Start difference. First operand 467 states and 739 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:56:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:57,035 INFO L93 Difference]: Finished difference Result 937 states and 1481 transitions. [2024-11-07 05:56:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 05:56:57,036 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 214 [2024-11-07 05:56:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:57,040 INFO L225 Difference]: With dead ends: 937 [2024-11-07 05:56:57,041 INFO L226 Difference]: Without dead ends: 689 [2024-11-07 05:56:57,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-07 05:56:57,043 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 808 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:57,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 743 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 05:56:57,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-07 05:56:57,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 567. [2024-11-07 05:56:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 464 states have (on average 1.540948275862069) internal successors, (715), 464 states have internal predecessors, (715), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:56:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 913 transitions. [2024-11-07 05:56:57,087 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 913 transitions. Word has length 214 [2024-11-07 05:56:57,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:57,088 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 913 transitions. [2024-11-07 05:56:57,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-07 05:56:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 913 transitions. [2024-11-07 05:56:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:56:57,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:57,091 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:57,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 05:56:57,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:57,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash 266863690, now seen corresponding path program 1 times [2024-11-07 05:56:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:57,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789904986] [2024-11-07 05:56:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:56:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:56:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:56:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:56:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:56:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:56:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:56:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:56:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:56:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:56:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:56:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:56:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:56:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:56:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:56:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:56:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:56:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:56:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:56:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:56:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:56:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:56:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:56:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:56:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:56:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:56:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:56:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:56:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:56:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:56:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:56:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:58,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:56:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:56:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:56:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:56:59,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:56:59,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789904986] [2024-11-07 05:56:59,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789904986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:56:59,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:56:59,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 05:56:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89270675] [2024-11-07 05:56:59,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:56:59,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 05:56:59,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:56:59,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 05:56:59,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 05:56:59,023 INFO L87 Difference]: Start difference. First operand 567 states and 913 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:56:59,592 INFO L93 Difference]: Finished difference Result 1051 states and 1691 transitions. [2024-11-07 05:56:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 05:56:59,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:56:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:56:59,600 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 05:56:59,600 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 05:56:59,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-07 05:56:59,603 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 270 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 05:56:59,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 568 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 05:56:59,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 05:56:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 573. [2024-11-07 05:56:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 470 states have (on average 1.5297872340425531) internal successors, (719), 470 states have internal predecessors, (719), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:56:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 917 transitions. [2024-11-07 05:56:59,665 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 917 transitions. Word has length 214 [2024-11-07 05:56:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:56:59,666 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 917 transitions. [2024-11-07 05:56:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:56:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 917 transitions. [2024-11-07 05:56:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 05:56:59,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:56:59,672 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:56:59,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 05:56:59,672 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:56:59,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:56:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash -915867875, now seen corresponding path program 1 times [2024-11-07 05:56:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:56:59,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162301776] [2024-11-07 05:56:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:56:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:56:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:57:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:57:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:57:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:57:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:57:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:57:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:57:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:57:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:57:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:57:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:57:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:57:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:57:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:57:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:57:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:57:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:57:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:57:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:57:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:57:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:57:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:57:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:57:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:57:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:57:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:57:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:57:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:57:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:57:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:57:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:57:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:57:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:57:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:57:00,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:57:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162301776] [2024-11-07 05:57:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162301776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:57:00,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:57:00,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 05:57:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603695751] [2024-11-07 05:57:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:57:00,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 05:57:00,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:57:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 05:57:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 05:57:00,155 INFO L87 Difference]: Start difference. First operand 573 states and 917 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:00,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:57:00,441 INFO L93 Difference]: Finished difference Result 931 states and 1494 transitions. [2024-11-07 05:57:00,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 05:57:00,442 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-07 05:57:00,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:57:00,445 INFO L225 Difference]: With dead ends: 931 [2024-11-07 05:57:00,445 INFO L226 Difference]: Without dead ends: 543 [2024-11-07 05:57:00,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 05:57:00,447 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 111 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 05:57:00,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 440 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 05:57:00,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-07 05:57:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 515. [2024-11-07 05:57:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 412 states have (on average 1.4927184466019416) internal successors, (615), 412 states have internal predecessors, (615), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:57:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 813 transitions. [2024-11-07 05:57:00,500 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 813 transitions. Word has length 214 [2024-11-07 05:57:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:57:00,501 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 813 transitions. [2024-11-07 05:57:00,501 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 813 transitions. [2024-11-07 05:57:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:57:00,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:57:00,504 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:57:00,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 05:57:00,505 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:57:00,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:57:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash -755010363, now seen corresponding path program 1 times [2024-11-07 05:57:00,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:57:00,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677681425] [2024-11-07 05:57:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:57:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:57:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:57:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:57:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:57:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:57:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:57:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:57:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:57:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:57:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:57:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:57:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:57:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:57:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:57:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:57:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:57:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:57:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:57:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:57:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:57:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:57:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:57:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:57:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:57:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:57:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:57:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:57:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:57:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:57:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:57:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:57:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:57:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:57:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:57:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:57:03,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:57:03,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677681425] [2024-11-07 05:57:03,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677681425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:57:03,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:57:03,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 05:57:03,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165357733] [2024-11-07 05:57:03,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:57:03,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 05:57:03,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:57:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 05:57:03,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 05:57:03,104 INFO L87 Difference]: Start difference. First operand 515 states and 813 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:04,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:57:04,835 INFO L93 Difference]: Finished difference Result 1052 states and 1666 transitions. [2024-11-07 05:57:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 05:57:04,836 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-07 05:57:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:57:04,840 INFO L225 Difference]: With dead ends: 1052 [2024-11-07 05:57:04,841 INFO L226 Difference]: Without dead ends: 838 [2024-11-07 05:57:04,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:57:04,843 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 582 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 05:57:04,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 723 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 05:57:04,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-07 05:57:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 611. [2024-11-07 05:57:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 506 states have (on average 1.5158102766798418) internal successors, (767), 506 states have internal predecessors, (767), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:57:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 965 transitions. [2024-11-07 05:57:04,894 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 965 transitions. Word has length 215 [2024-11-07 05:57:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:57:04,895 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 965 transitions. [2024-11-07 05:57:04,895 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 965 transitions. [2024-11-07 05:57:04,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:57:04,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:57:04,897 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:57:04,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 05:57:04,897 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:57:04,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:57:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1384642607, now seen corresponding path program 1 times [2024-11-07 05:57:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:57:04,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713413886] [2024-11-07 05:57:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:57:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:57:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:57:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:57:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:57:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:57:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:57:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:57:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:57:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:57:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:57:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:57:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:57:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:57:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:57:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:57:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:57:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:57:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:57:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:57:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:57:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:57:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:57:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:57:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:57:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:57:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:57:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:57:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:57:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:57:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:57:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:57:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:57:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:57:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:57:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:57:09,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:57:09,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713413886] [2024-11-07 05:57:09,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713413886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:57:09,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:57:09,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 05:57:09,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918665207] [2024-11-07 05:57:09,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:57:09,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 05:57:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:57:09,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 05:57:09,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-07 05:57:09,257 INFO L87 Difference]: Start difference. First operand 611 states and 965 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:57:11,498 INFO L93 Difference]: Finished difference Result 1013 states and 1588 transitions. [2024-11-07 05:57:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 05:57:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-07 05:57:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:57:11,504 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 05:57:11,504 INFO L226 Difference]: Without dead ends: 763 [2024-11-07 05:57:11,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-07 05:57:11,506 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 594 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 05:57:11,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1063 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 05:57:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-07 05:57:11,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 643. [2024-11-07 05:57:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 538 states have (on average 1.5223048327137547) internal successors, (819), 538 states have internal predecessors, (819), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:57:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1017 transitions. [2024-11-07 05:57:11,560 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1017 transitions. Word has length 215 [2024-11-07 05:57:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:57:11,561 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 1017 transitions. [2024-11-07 05:57:11,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1017 transitions. [2024-11-07 05:57:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 05:57:11,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:57:11,563 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:57:11,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 05:57:11,563 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:57:11,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:57:11,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1889256335, now seen corresponding path program 1 times [2024-11-07 05:57:11,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:57:11,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004487214] [2024-11-07 05:57:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:57:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:57:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:57:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:57:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:57:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:57:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:57:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:57:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:57:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:57:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:57:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:57:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:57:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:57:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:57:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:57:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:57:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:57:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:57:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:57:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:57:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:57:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:57:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:57:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:57:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:57:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:57:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:57:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:57:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:57:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:57:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:57:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:57:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:57:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:57:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:57:15,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:57:15,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004487214] [2024-11-07 05:57:15,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004487214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:57:15,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:57:15,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 05:57:15,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369435204] [2024-11-07 05:57:15,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:57:15,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 05:57:15,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:57:15,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 05:57:15,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-07 05:57:15,970 INFO L87 Difference]: Start difference. First operand 643 states and 1017 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:57:17,829 INFO L93 Difference]: Finished difference Result 1321 states and 2083 transitions. [2024-11-07 05:57:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 05:57:17,830 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-07 05:57:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:57:17,834 INFO L225 Difference]: With dead ends: 1321 [2024-11-07 05:57:17,834 INFO L226 Difference]: Without dead ends: 794 [2024-11-07 05:57:17,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-07 05:57:17,836 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 437 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 05:57:17,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1338 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 05:57:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-07 05:57:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 674. [2024-11-07 05:57:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 569 states have (on average 1.5289982425307558) internal successors, (870), 569 states have internal predecessors, (870), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:57:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1068 transitions. [2024-11-07 05:57:17,894 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1068 transitions. Word has length 215 [2024-11-07 05:57:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:57:17,894 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 1068 transitions. [2024-11-07 05:57:17,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1068 transitions. [2024-11-07 05:57:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:57:17,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:57:17,897 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:57:17,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 05:57:17,897 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:57:17,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:57:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash 402668432, now seen corresponding path program 1 times [2024-11-07 05:57:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:57:17,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872733800] [2024-11-07 05:57:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:57:17,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:57:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 05:57:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 05:57:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 05:57:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 05:57:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 05:57:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 05:57:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 05:57:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 05:57:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 05:57:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 05:57:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 05:57:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 05:57:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 05:57:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 05:57:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 05:57:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 05:57:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 05:57:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 05:57:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 05:57:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 05:57:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 05:57:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 05:57:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 05:57:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 05:57:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 05:57:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 05:57:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 05:57:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 05:57:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 05:57:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 05:57:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 05:57:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 05:57:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 05:57:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 05:57:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-07 05:57:27,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 05:57:27,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872733800] [2024-11-07 05:57:27,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872733800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 05:57:27,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 05:57:27,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 05:57:27,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502747589] [2024-11-07 05:57:27,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 05:57:27,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 05:57:27,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 05:57:27,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 05:57:27,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 05:57:27,627 INFO L87 Difference]: Start difference. First operand 674 states and 1068 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 05:57:30,777 INFO L93 Difference]: Finished difference Result 1046 states and 1632 transitions. [2024-11-07 05:57:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 05:57:30,778 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-07 05:57:30,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 05:57:30,783 INFO L225 Difference]: With dead ends: 1046 [2024-11-07 05:57:30,783 INFO L226 Difference]: Without dead ends: 786 [2024-11-07 05:57:30,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=209, Invalid=721, Unknown=0, NotChecked=0, Total=930 [2024-11-07 05:57:30,785 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 609 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 05:57:30,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1019 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 05:57:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-07 05:57:30,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 634. [2024-11-07 05:57:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 529 states have (on average 1.5236294896030245) internal successors, (806), 529 states have internal predecessors, (806), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-07 05:57:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1004 transitions. [2024-11-07 05:57:30,843 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1004 transitions. Word has length 216 [2024-11-07 05:57:30,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 05:57:30,844 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 1004 transitions. [2024-11-07 05:57:30,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-07 05:57:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1004 transitions. [2024-11-07 05:57:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 05:57:30,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 05:57:30,846 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 05:57:30,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 05:57:30,846 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 05:57:30,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 05:57:30,847 INFO L85 PathProgramCache]: Analyzing trace with hash -618399922, now seen corresponding path program 1 times [2024-11-07 05:57:30,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 05:57:30,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880977989] [2024-11-07 05:57:30,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 05:57:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 05:57:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat