./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-66.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-66.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', '75e16fbc6add136470e5a368bd6380d698425fcea4219ad0b84abde2182994d0'] 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-66.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 75e16fbc6add136470e5a368bd6380d698425fcea4219ad0b84abde2182994d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:00:20,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:00:20,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:00:20,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:00:20,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:00:20,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:00:20,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:00:20,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:00:20,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:00:20,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:00:20,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:00:20,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:00:20,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:00:20,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:00:20,913 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:00:20,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:00:20,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:00:20,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:00:20,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:00:20,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:00:20,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:00:20,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:00:20,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:00:20,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:00:20,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:00:20,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:00:20,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:00:20,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:00:20,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:00:20,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:00:20,917 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 -> 75e16fbc6add136470e5a368bd6380d698425fcea4219ad0b84abde2182994d0 [2024-11-07 06:00:21,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:00:21,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:00:21,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:00:21,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:00:21,252 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:00:21,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-66.i [2024-11-07 06:00:22,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:00:23,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:00:23,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-66.i [2024-11-07 06:00:23,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4045d4a40/60d37489248245a9aed107d4076bf132/FLAGf1903e07c [2024-11-07 06:00:23,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4045d4a40/60d37489248245a9aed107d4076bf132 [2024-11-07 06:00:23,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:00:23,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:00:23,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:00:23,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:00:23,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:00:23,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb979bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23, skipping insertion in model container [2024-11-07 06:00:23,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:00:23,229 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-66.i[919,932] [2024-11-07 06:00:23,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:00:23,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:00:23,363 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-66.i[919,932] [2024-11-07 06:00:23,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:00:23,439 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:00:23,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23 WrapperNode [2024-11-07 06:00:23,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:00:23,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:00:23,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:00:23,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:00:23,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,515 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-11-07 06:00:23,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:00:23,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:00:23,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:00:23,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:00:23,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,577 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 06:00:23,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:00:23,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:00:23,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:00:23,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:00:23,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (1/1) ... [2024-11-07 06:00:23,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:00:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:00:23,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 06:00:23,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 06:00:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:00:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:00:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:00:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:00:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:00:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:00:23,793 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:00:23,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:00:24,250 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-07 06:00:24,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:00:24,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:00:24,262 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:00:24,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:00:24 BoogieIcfgContainer [2024-11-07 06:00:24,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:00:24,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:00:24,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:00:24,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:00:24,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:00:23" (1/3) ... [2024-11-07 06:00:24,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8d1f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:00:24, skipping insertion in model container [2024-11-07 06:00:24,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:00:23" (2/3) ... [2024-11-07 06:00:24,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8d1f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:00:24, skipping insertion in model container [2024-11-07 06:00:24,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:00:24" (3/3) ... [2024-11-07 06:00:24,276 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-66.i [2024-11-07 06:00:24,288 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:00:24,289 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:00:24,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:00:24,357 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;@5e01cd63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:00:24,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:00:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 68 states have internal predecessors, (95), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 06:00:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:00:24,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:00:24,389 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:00:24,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:00:24,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:00:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1411479423, now seen corresponding path program 1 times [2024-11-07 06:00:24,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:00:24,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322834949] [2024-11-07 06:00:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:00:24,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:00:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:00:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:00:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:00:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:00:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:00:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:00:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:00:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:00:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:00:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:00:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:00:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:00:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:00:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:00:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:00:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:00:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:00:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:00:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:00:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:00:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:00:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:00:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:00:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:00:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:00:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:00:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:00:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:00:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:00:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:00:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:00:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:00:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:00:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:00:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:00:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:00:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:00:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:00:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:00:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:00:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:00:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:00:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:00:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:00:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:00:25,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:00:25,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322834949] [2024-11-07 06:00:25,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322834949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:00:25,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:00:25,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:00:25,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225626478] [2024-11-07 06:00:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:00:25,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:00:25,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:00:25,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:00:25,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:00:25,144 INFO L87 Difference]: Start difference. First operand has 114 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 68 states have internal predecessors, (95), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:00:25,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:00:25,185 INFO L93 Difference]: Finished difference Result 221 states and 404 transitions. [2024-11-07 06:00:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:00:25,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 270 [2024-11-07 06:00:25,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:00:25,197 INFO L225 Difference]: With dead ends: 221 [2024-11-07 06:00:25,197 INFO L226 Difference]: Without dead ends: 110 [2024-11-07 06:00:25,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:00:25,205 INFO L432 NwaCegarLoop]: 176 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, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:00:25,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:00:25,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-07 06:00:25,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-07 06:00:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 64 states have (on average 1.375) internal successors, (88), 64 states have internal predecessors, (88), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 06:00:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 176 transitions. [2024-11-07 06:00:25,263 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 176 transitions. Word has length 270 [2024-11-07 06:00:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:00:25,263 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 176 transitions. [2024-11-07 06:00:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:00:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2024-11-07 06:00:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:00:25,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:00:25,274 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:00:25,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:00:25,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:00:25,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:00:25,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1173288253, now seen corresponding path program 1 times [2024-11-07 06:00:25,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:00:25,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940876319] [2024-11-07 06:00:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:00:25,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:00:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:00:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:00:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:00:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:00:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:00:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:00:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:00:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:00:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:00:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:00:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:00:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:00:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:00:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:00:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:00:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:00:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:00:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:00:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:00:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:00:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:00:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:00:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:00:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:00:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:00:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:00:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:00:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:00:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:00:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:00:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:00:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:00:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:00:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:00:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:00:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:00:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:00:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:00:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:00:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:00:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:00:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:00:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:00:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:00:31,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:00:31,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940876319] [2024-11-07 06:00:31,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940876319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:00:31,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:00:31,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 06:00:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509359674] [2024-11-07 06:00:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:00:31,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 06:00:31,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:00:31,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 06:00:31,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:00:31,561 INFO L87 Difference]: Start difference. First operand 110 states and 176 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:00:32,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:00:32,623 INFO L93 Difference]: Finished difference Result 429 states and 681 transitions. [2024-11-07 06:00:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 06:00:32,624 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:00:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:00:32,629 INFO L225 Difference]: With dead ends: 429 [2024-11-07 06:00:32,630 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 06:00:32,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:00:32,632 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 532 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:00:32,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1156 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 06:00:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 06:00:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 181. [2024-11-07 06:00:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 130 states have (on average 1.4923076923076923) internal successors, (194), 131 states have internal predecessors, (194), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 06:00:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 290 transitions. [2024-11-07 06:00:32,683 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 290 transitions. Word has length 270 [2024-11-07 06:00:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:00:32,684 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 290 transitions. [2024-11-07 06:00:32,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:00:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 290 transitions. [2024-11-07 06:00:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:00:32,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:00:32,691 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:00:32,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:00:32,691 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:00:32,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:00:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1431453691, now seen corresponding path program 1 times [2024-11-07 06:00:32,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:00:32,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282602717] [2024-11-07 06:00:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:00:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:00:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:00:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:00:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:00:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:00:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:00:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:00:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:00:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:00:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:00:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:00:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:00:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:00:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:00:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:00:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:00:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:00:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:00:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:00:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:00:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:00:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:00:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:00:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:00:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:00:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:00:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:00:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:00:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:00:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:00:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:00:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:00:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:00:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:00:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:00:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:00:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:00:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:00:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:00:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:00:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:00:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:00:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:00:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:00:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:00:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:00:38,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:00:38,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282602717] [2024-11-07 06:00:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282602717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:00:38,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:00:38,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:00:38,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533112395] [2024-11-07 06:00:38,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:00:38,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:00:38,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:00:38,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:00:38,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:00:38,299 INFO L87 Difference]: Start difference. First operand 181 states and 290 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:00:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:00:39,725 INFO L93 Difference]: Finished difference Result 322 states and 500 transitions. [2024-11-07 06:00:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 06:00:39,726 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:00:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:00:39,729 INFO L225 Difference]: With dead ends: 322 [2024-11-07 06:00:39,729 INFO L226 Difference]: Without dead ends: 320 [2024-11-07 06:00:39,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-07 06:00:39,730 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 370 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 06:00:39,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1519 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 06:00:39,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-07 06:00:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 181. [2024-11-07 06:00:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 130 states have (on average 1.4923076923076923) internal successors, (194), 131 states have internal predecessors, (194), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 06:00:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 290 transitions. [2024-11-07 06:00:39,766 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 290 transitions. Word has length 270 [2024-11-07 06:00:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:00:39,767 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 290 transitions. [2024-11-07 06:00:39,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:00:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 290 transitions. [2024-11-07 06:00:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:00:39,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:00:39,773 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:00:39,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:00:39,773 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:00:39,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:00:39,774 INFO L85 PathProgramCache]: Analyzing trace with hash 152219899, now seen corresponding path program 1 times [2024-11-07 06:00:39,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:00:39,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755295208] [2024-11-07 06:00:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:00:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:00:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:00:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:00:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:00:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:00:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:00:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:00:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:00:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:00:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:00:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:00:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:00:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:00:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:00:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:00:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:00:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:00:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:00:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:00:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:00:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:00:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:00:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:00:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:00:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:00:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:00:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:00:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:00:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:00:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:00:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:00:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:00:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:00:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:00:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:00:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:00:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:00:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:00:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:00:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:00:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:00:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:00:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:00:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:00:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:00:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:00:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:00:59,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:00:59,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755295208] [2024-11-07 06:00:59,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755295208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:00:59,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:00:59,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 06:00:59,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450383613] [2024-11-07 06:00:59,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:00:59,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 06:00:59,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:00:59,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 06:00:59,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:00:59,597 INFO L87 Difference]: Start difference. First operand 181 states and 290 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:00,881 INFO L93 Difference]: Finished difference Result 303 states and 478 transitions. [2024-11-07 06:01:00,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 06:01:00,882 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:00,887 INFO L225 Difference]: With dead ends: 303 [2024-11-07 06:01:00,888 INFO L226 Difference]: Without dead ends: 301 [2024-11-07 06:01:00,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:01:00,889 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 310 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:00,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1646 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 06:01:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-07 06:01:00,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 186. [2024-11-07 06:01:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 135 states have (on average 1.488888888888889) internal successors, (201), 136 states have internal predecessors, (201), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 06:01:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2024-11-07 06:01:00,924 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 270 [2024-11-07 06:01:00,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:00,924 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2024-11-07 06:01:00,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2024-11-07 06:01:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:00,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:00,931 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:00,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:01:00,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:00,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:00,931 INFO L85 PathProgramCache]: Analyzing trace with hash 410385337, now seen corresponding path program 1 times [2024-11-07 06:01:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:00,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589664275] [2024-11-07 06:01:00,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:00,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:06,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:06,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589664275] [2024-11-07 06:01:06,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589664275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:06,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:06,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:01:06,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292558495] [2024-11-07 06:01:06,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:06,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:01:06,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:06,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:01:06,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:01:06,241 INFO L87 Difference]: Start difference. First operand 186 states and 297 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:07,900 INFO L93 Difference]: Finished difference Result 356 states and 557 transitions. [2024-11-07 06:01:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 06:01:07,901 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:07,904 INFO L225 Difference]: With dead ends: 356 [2024-11-07 06:01:07,904 INFO L226 Difference]: Without dead ends: 354 [2024-11-07 06:01:07,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-07 06:01:07,906 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 368 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:07,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1706 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 06:01:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-07 06:01:07,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 186. [2024-11-07 06:01:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 135 states have (on average 1.488888888888889) internal successors, (201), 136 states have internal predecessors, (201), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 06:01:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2024-11-07 06:01:07,927 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 270 [2024-11-07 06:01:07,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:07,927 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2024-11-07 06:01:07,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2024-11-07 06:01:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:07,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:07,931 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:07,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:01:07,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:07,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash -515655489, now seen corresponding path program 1 times [2024-11-07 06:01:07,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:07,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051702659] [2024-11-07 06:01:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:08,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:08,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051702659] [2024-11-07 06:01:08,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051702659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:08,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:08,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:01:08,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118266311] [2024-11-07 06:01:08,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:08,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:01:08,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:08,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:01:08,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:01:08,081 INFO L87 Difference]: Start difference. First operand 186 states and 297 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:08,139 INFO L93 Difference]: Finished difference Result 515 states and 826 transitions. [2024-11-07 06:01:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:01:08,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:08,143 INFO L225 Difference]: With dead ends: 515 [2024-11-07 06:01:08,143 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 06:01:08,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:01:08,144 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 163 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:08,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 492 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:01:08,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 06:01:08,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2024-11-07 06:01:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 229 states have (on average 1.4366812227074235) internal successors, (329), 231 states have internal predecessors, (329), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-07 06:01:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 521 transitions. [2024-11-07 06:01:08,192 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 521 transitions. Word has length 270 [2024-11-07 06:01:08,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:08,194 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 521 transitions. [2024-11-07 06:01:08,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 521 transitions. [2024-11-07 06:01:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:08,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:08,198 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:08,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 06:01:08,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:08,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:08,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1795519167, now seen corresponding path program 1 times [2024-11-07 06:01:08,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:08,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425620433] [2024-11-07 06:01:08,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:08,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:08,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425620433] [2024-11-07 06:01:08,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425620433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:08,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:08,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:01:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046633469] [2024-11-07 06:01:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:08,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:01:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:01:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:01:08,455 INFO L87 Difference]: Start difference. First operand 330 states and 521 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:08,735 INFO L93 Difference]: Finished difference Result 962 states and 1507 transitions. [2024-11-07 06:01:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:01:08,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:08,742 INFO L225 Difference]: With dead ends: 962 [2024-11-07 06:01:08,742 INFO L226 Difference]: Without dead ends: 635 [2024-11-07 06:01:08,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 06:01:08,744 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 145 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:08,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 639 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:01:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-11-07 06:01:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 564. [2024-11-07 06:01:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 367 states have (on average 1.3896457765667576) internal successors, (510), 370 states have internal predecessors, (510), 188 states have call successors, (188), 8 states have call predecessors, (188), 8 states have return successors, (188), 185 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-07 06:01:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 886 transitions. [2024-11-07 06:01:08,810 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 886 transitions. Word has length 270 [2024-11-07 06:01:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:08,810 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 886 transitions. [2024-11-07 06:01:08,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 886 transitions. [2024-11-07 06:01:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:08,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:08,814 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:08,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 06:01:08,814 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:08,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1478379775, now seen corresponding path program 1 times [2024-11-07 06:01:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622413326] [2024-11-07 06:01:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:08,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:11,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:11,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622413326] [2024-11-07 06:01:11,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622413326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:11,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:11,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 06:01:11,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951696720] [2024-11-07 06:01:11,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:11,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 06:01:11,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:11,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 06:01:11,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-07 06:01:11,073 INFO L87 Difference]: Start difference. First operand 564 states and 886 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:12,004 INFO L93 Difference]: Finished difference Result 788 states and 1197 transitions. [2024-11-07 06:01:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 06:01:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:12,010 INFO L225 Difference]: With dead ends: 788 [2024-11-07 06:01:12,010 INFO L226 Difference]: Without dead ends: 786 [2024-11-07 06:01:12,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:01:12,012 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 601 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:12,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1146 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 06:01:12,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-07 06:01:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 659. [2024-11-07 06:01:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 451 states have (on average 1.4079822616407982) internal successors, (635), 456 states have internal predecessors, (635), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-07 06:01:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1027 transitions. [2024-11-07 06:01:12,101 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1027 transitions. Word has length 270 [2024-11-07 06:01:12,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:12,102 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 1027 transitions. [2024-11-07 06:01:12,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1027 transitions. [2024-11-07 06:01:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:12,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:12,105 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:12,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 06:01:12,105 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:12,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:12,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1736545213, now seen corresponding path program 1 times [2024-11-07 06:01:12,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:12,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987401046] [2024-11-07 06:01:12,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:15,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987401046] [2024-11-07 06:01:15,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987401046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:15,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:15,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 06:01:15,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567329865] [2024-11-07 06:01:15,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:15,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 06:01:15,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:15,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 06:01:15,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-07 06:01:15,246 INFO L87 Difference]: Start difference. First operand 659 states and 1027 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:17,021 INFO L93 Difference]: Finished difference Result 786 states and 1195 transitions. [2024-11-07 06:01:17,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 06:01:17,023 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 270 [2024-11-07 06:01:17,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:17,029 INFO L225 Difference]: With dead ends: 786 [2024-11-07 06:01:17,030 INFO L226 Difference]: Without dead ends: 784 [2024-11-07 06:01:17,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:01:17,032 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 442 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:17,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1700 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 06:01:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-07 06:01:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 659. [2024-11-07 06:01:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 451 states have (on average 1.4079822616407982) internal successors, (635), 456 states have internal predecessors, (635), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-07 06:01:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1027 transitions. [2024-11-07 06:01:17,113 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1027 transitions. Word has length 270 [2024-11-07 06:01:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:17,113 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 1027 transitions. [2024-11-07 06:01:17,114 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1027 transitions. [2024-11-07 06:01:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 06:01:17,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:17,116 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:17,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 06:01:17,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:17,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:17,117 INFO L85 PathProgramCache]: Analyzing trace with hash 355639803, now seen corresponding path program 1 times [2024-11-07 06:01:17,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:17,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052463257] [2024-11-07 06:01:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:17,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:17,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052463257] [2024-11-07 06:01:17,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052463257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:17,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:17,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:01:17,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218274272] [2024-11-07 06:01:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:17,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:01:17,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:17,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:01:17,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:01:17,526 INFO L87 Difference]: Start difference. First operand 659 states and 1027 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:01:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:17,883 INFO L93 Difference]: Finished difference Result 1239 states and 1921 transitions. [2024-11-07 06:01:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:01:17,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 270 [2024-11-07 06:01:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:17,892 INFO L225 Difference]: With dead ends: 1239 [2024-11-07 06:01:17,892 INFO L226 Difference]: Without dead ends: 666 [2024-11-07 06:01:17,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 06:01:17,898 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 221 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:17,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 336 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 06:01:17,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-07 06:01:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 657. [2024-11-07 06:01:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 443 states have (on average 1.3860045146726863) internal successors, (614), 448 states have internal predecessors, (614), 200 states have call successors, (200), 13 states have call predecessors, (200), 13 states have return successors, (200), 195 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-07 06:01:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1014 transitions. [2024-11-07 06:01:17,976 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1014 transitions. Word has length 270 [2024-11-07 06:01:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:17,977 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 1014 transitions. [2024-11-07 06:01:17,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-07 06:01:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1014 transitions. [2024-11-07 06:01:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 06:01:17,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:17,980 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:17,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 06:01:17,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:17,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:17,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1365972448, now seen corresponding path program 1 times [2024-11-07 06:01:17,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:17,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835379156] [2024-11-07 06:01:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:20,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:20,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835379156] [2024-11-07 06:01:20,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835379156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:20,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:20,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 06:01:20,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269504120] [2024-11-07 06:01:20,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:20,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 06:01:20,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 06:01:20,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:01:20,651 INFO L87 Difference]: Start difference. First operand 657 states and 1014 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:21,415 INFO L93 Difference]: Finished difference Result 1342 states and 2070 transitions. [2024-11-07 06:01:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 06:01:21,416 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-07 06:01:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:21,423 INFO L225 Difference]: With dead ends: 1342 [2024-11-07 06:01:21,423 INFO L226 Difference]: Without dead ends: 1012 [2024-11-07 06:01:21,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-07 06:01:21,426 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 764 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:21,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1226 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 06:01:21,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-11-07 06:01:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 676. [2024-11-07 06:01:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 464 states have (on average 1.3900862068965518) internal successors, (645), 468 states have internal predecessors, (645), 196 states have call successors, (196), 15 states have call predecessors, (196), 15 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-07 06:01:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1037 transitions. [2024-11-07 06:01:21,509 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1037 transitions. Word has length 271 [2024-11-07 06:01:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:21,510 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 1037 transitions. [2024-11-07 06:01:21,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1037 transitions. [2024-11-07 06:01:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 06:01:21,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:21,513 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:21,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 06:01:21,513 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:21,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:21,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1624137886, now seen corresponding path program 1 times [2024-11-07 06:01:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:21,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571104328] [2024-11-07 06:01:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:01:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:01:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:01:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:01:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:01:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:01:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:01:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:01:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:01:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:01:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:01:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:01:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:01:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:01:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:01:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:01:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:01:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:01:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:01:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 06:01:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:01:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 06:01:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 06:01:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 06:01:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 06:01:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 06:01:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 06:01:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 06:01:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 06:01:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 06:01:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 06:01:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 06:01:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 06:01:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 06:01:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 06:01:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 06:01:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 06:01:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 06:01:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 06:01:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 06:01:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 06:01:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 06:01:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 06:01:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 06:01:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:01:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-07 06:01:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:01:25,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571104328] [2024-11-07 06:01:25,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571104328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:01:25,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:01:25,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-07 06:01:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866323106] [2024-11-07 06:01:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:01:25,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 06:01:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:01:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 06:01:25,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-07 06:01:25,467 INFO L87 Difference]: Start difference. First operand 676 states and 1037 transitions. Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:01:27,031 INFO L93 Difference]: Finished difference Result 936 states and 1430 transitions. [2024-11-07 06:01:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 06:01:27,032 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-07 06:01:27,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:01:27,038 INFO L225 Difference]: With dead ends: 936 [2024-11-07 06:01:27,038 INFO L226 Difference]: Without dead ends: 934 [2024-11-07 06:01:27,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-07 06:01:27,040 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 653 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 06:01:27,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1462 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 06:01:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-07 06:01:27,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 676. [2024-11-07 06:01:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 464 states have (on average 1.3900862068965518) internal successors, (645), 468 states have internal predecessors, (645), 196 states have call successors, (196), 15 states have call predecessors, (196), 15 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-07 06:01:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1037 transitions. [2024-11-07 06:01:27,128 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1037 transitions. Word has length 271 [2024-11-07 06:01:27,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:01:27,128 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 1037 transitions. [2024-11-07 06:01:27,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-07 06:01:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1037 transitions. [2024-11-07 06:01:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-07 06:01:27,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:01:27,131 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 06:01:27,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 06:01:27,131 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:01:27,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:01:27,132 INFO L85 PathProgramCache]: Analyzing trace with hash 344904094, now seen corresponding path program 1 times [2024-11-07 06:01:27,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:01:27,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574063239] [2024-11-07 06:01:27,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:01:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:01:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat