./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.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-co_file-11.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', '310044b99b6a4c9305f92a655bab82629ffb49bf202c9a3228cdf9c518cca452'] 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-co_file-11.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 310044b99b6a4c9305f92a655bab82629ffb49bf202c9a3228cdf9c518cca452 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:04:54,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:04:54,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:04:54,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:04:54,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:04:54,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:04:54,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:04:54,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:04:54,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:04:54,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:04:54,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:04:54,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:04:54,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:04:54,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:04:54,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:04:54,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:04:54,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:04:54,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:04:54,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:04:54,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:04:54,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:04:54,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:04:54,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:04:54,279 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 -> 310044b99b6a4c9305f92a655bab82629ffb49bf202c9a3228cdf9c518cca452 [2024-11-07 06:04:54,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:04:54,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:04:54,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:04:54,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:04:54,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:04:54,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-07 06:04:56,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:04:56,422 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:04:56,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-07 06:04:56,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ef2f035b3/8aa011dc609f4600912103e25ed07091/FLAG8459cb943 [2024-11-07 06:04:56,727 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ef2f035b3/8aa011dc609f4600912103e25ed07091 [2024-11-07 06:04:56,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:04:56,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:04:56,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:04:56,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:04:56,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:04:56,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:04:56" (1/1) ... [2024-11-07 06:04:56,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c262d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:56, skipping insertion in model container [2024-11-07 06:04:56,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:04:56" (1/1) ... [2024-11-07 06:04:56,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:04:56,897 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-co_file-11.i[919,932] [2024-11-07 06:04:56,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:04:56,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:04:56,972 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-co_file-11.i[919,932] [2024-11-07 06:04:57,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:04:57,026 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:04:57,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57 WrapperNode [2024-11-07 06:04:57,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:04:57,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:04:57,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:04:57,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:04:57,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,074 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2024-11-07 06:04:57,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:04:57,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:04:57,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:04:57,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:04:57,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,106 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 06:04:57,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:04:57,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:04:57,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:04:57,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:04:57,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (1/1) ... [2024-11-07 06:04:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:04:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:04:57,167 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 06:04:57,171 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 06:04:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:04:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:04:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:04:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:04:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:04:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:04:57,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:04:57,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:04:57,779 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-07 06:04:57,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:04:57,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:04:57,790 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:04:57,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:04:57 BoogieIcfgContainer [2024-11-07 06:04:57,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:04:57,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:04:57,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:04:57,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:04:57,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:04:56" (1/3) ... [2024-11-07 06:04:57,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5707d561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:04:57, skipping insertion in model container [2024-11-07 06:04:57,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:04:57" (2/3) ... [2024-11-07 06:04:57,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5707d561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:04:57, skipping insertion in model container [2024-11-07 06:04:57,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:04:57" (3/3) ... [2024-11-07 06:04:57,803 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-11.i [2024-11-07 06:04:57,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:04:57,819 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:04:57,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:04:57,900 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;@e7a9dda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:04:57,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:04:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:04:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 06:04:57,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:57,920 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:57,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:57,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash 696448710, now seen corresponding path program 1 times [2024-11-07 06:04:57,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:57,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506584306] [2024-11-07 06:04:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:04:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:04:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:04:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:04:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:04:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:04:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:04:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:04:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:04:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:04:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:04:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:04:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:04:58,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:58,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506584306] [2024-11-07 06:04:58,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506584306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:58,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:58,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:04:58,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768041157] [2024-11-07 06:04:58,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:58,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:04:58,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:58,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:04:58,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:04:58,609 INFO L87 Difference]: Start difference. First operand has 94 states, 64 states have (on average 1.484375) internal successors, (95), 65 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:04:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:58,647 INFO L93 Difference]: Finished difference Result 181 states and 319 transitions. [2024-11-07 06:04:58,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:04:58,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-07 06:04:58,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:58,658 INFO L225 Difference]: With dead ends: 181 [2024-11-07 06:04:58,659 INFO L226 Difference]: Without dead ends: 90 [2024-11-07 06:04:58,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 06:04:58,668 INFO L432 NwaCegarLoop]: 141 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, 141 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 06:04:58,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:04:58,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-07 06:04:58,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-07 06:04:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 61 states have internal predecessors, (87), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:04:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2024-11-07 06:04:58,731 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 174 [2024-11-07 06:04:58,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:58,732 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2024-11-07 06:04:58,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:04:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-07 06:04:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 06:04:58,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:58,739 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:58,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:04:58,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:58,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:58,741 INFO L85 PathProgramCache]: Analyzing trace with hash 740231054, now seen corresponding path program 1 times [2024-11-07 06:04:58,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:58,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270583636] [2024-11-07 06:04:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:58,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:04:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:04:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:04:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:04:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:04:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:04:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:04:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:04:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:04:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:04:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:04:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:04:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:04:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:04:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:04:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:04:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:04:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:04:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:04:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:04:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:04:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:04:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:04:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:04:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:04:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:04:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:04:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:04:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:04:59,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:04:59,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270583636] [2024-11-07 06:04:59,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270583636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:04:59,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:04:59,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:04:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619138668] [2024-11-07 06:04:59,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:04:59,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:04:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:04:59,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:04:59,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:04:59,214 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:04:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:04:59,290 INFO L93 Difference]: Finished difference Result 261 states and 411 transitions. [2024-11-07 06:04:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:04:59,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-07 06:04:59,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:04:59,294 INFO L225 Difference]: With dead ends: 261 [2024-11-07 06:04:59,294 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 06:04:59,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 06:04:59,296 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 121 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:04:59,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 350 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:04:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 06:04:59,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 106. [2024-11-07 06:04:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:04:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 166 transitions. [2024-11-07 06:04:59,325 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 166 transitions. Word has length 174 [2024-11-07 06:04:59,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:04:59,327 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 166 transitions. [2024-11-07 06:04:59,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:04:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2024-11-07 06:04:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 06:04:59,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:04:59,330 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:59,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:04:59,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:04:59,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:04:59,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1779728880, now seen corresponding path program 1 times [2024-11-07 06:04:59,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:04:59,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873807079] [2024-11-07 06:04:59,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:04:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:04:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:05:00,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873807079] [2024-11-07 06:05:00,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873807079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:05:00,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:05:00,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:05:00,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797583462] [2024-11-07 06:05:00,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:05:00,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:05:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:05:00,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:05:00,399 INFO L87 Difference]: Start difference. First operand 106 states and 166 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:05:00,469 INFO L93 Difference]: Finished difference Result 226 states and 354 transitions. [2024-11-07 06:05:00,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:05:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-07 06:05:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:05:00,472 INFO L225 Difference]: With dead ends: 226 [2024-11-07 06:05:00,472 INFO L226 Difference]: Without dead ends: 123 [2024-11-07 06:05:00,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:05:00,473 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 102 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:05:00,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 376 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:05:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-07 06:05:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 106. [2024-11-07 06:05:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 06:05:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2024-11-07 06:05:00,489 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 174 [2024-11-07 06:05:00,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:05:00,492 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2024-11-07 06:05:00,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2024-11-07 06:05:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 06:05:00,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:05:00,499 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:00,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:05:00,500 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:05:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:05:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1928432402, now seen corresponding path program 1 times [2024-11-07 06:05:00,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:05:00,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805340594] [2024-11-07 06:05:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:05:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:00,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:05:01,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:01,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805340594] [2024-11-07 06:05:01,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805340594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:05:01,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:05:01,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:05:01,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220309311] [2024-11-07 06:05:01,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:05:01,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:05:01,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:01,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:05:01,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:05:01,105 INFO L87 Difference]: Start difference. First operand 106 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:05:01,407 INFO L93 Difference]: Finished difference Result 313 states and 490 transitions. [2024-11-07 06:05:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:05:01,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-07 06:05:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:05:01,411 INFO L225 Difference]: With dead ends: 313 [2024-11-07 06:05:01,411 INFO L226 Difference]: Without dead ends: 210 [2024-11-07 06:05:01,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 06:05:01,412 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 95 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:05:01,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 473 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:05:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-07 06:05:01,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 155. [2024-11-07 06:05:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:05:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 240 transitions. [2024-11-07 06:05:01,439 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 240 transitions. Word has length 174 [2024-11-07 06:05:01,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:05:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 240 transitions. [2024-11-07 06:05:01,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 240 transitions. [2024-11-07 06:05:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 06:05:01,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:05:01,443 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:01,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 06:05:01,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:05:01,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:05:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 7336230, now seen corresponding path program 1 times [2024-11-07 06:05:01,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:05:01,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681280489] [2024-11-07 06:05:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:05:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:05:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:03,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681280489] [2024-11-07 06:05:03,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681280489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:05:03,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:05:03,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 06:05:03,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937682707] [2024-11-07 06:05:03,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:05:03,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 06:05:03,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:03,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 06:05:03,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:05:03,545 INFO L87 Difference]: Start difference. First operand 155 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:05:03,901 INFO L93 Difference]: Finished difference Result 322 states and 490 transitions. [2024-11-07 06:05:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:05:03,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-07 06:05:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:05:03,904 INFO L225 Difference]: With dead ends: 322 [2024-11-07 06:05:03,904 INFO L226 Difference]: Without dead ends: 219 [2024-11-07 06:05:03,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:05:03,908 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 235 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 06:05:03,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 300 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 06:05:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-07 06:05:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 165. [2024-11-07 06:05:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:05:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 250 transitions. [2024-11-07 06:05:03,952 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 250 transitions. Word has length 175 [2024-11-07 06:05:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:05:03,953 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 250 transitions. [2024-11-07 06:05:03,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-07 06:05:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2024-11-07 06:05:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:05:03,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:05:03,957 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:03,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 06:05:03,957 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:05:03,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:05:03,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2130954610, now seen corresponding path program 1 times [2024-11-07 06:05:03,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:05:03,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668615453] [2024-11-07 06:05:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:05:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-07 06:05:04,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:04,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668615453] [2024-11-07 06:05:04,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668615453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 06:05:04,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875796754] [2024-11-07 06:05:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:04,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:05:04,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:05:04,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 06:05:04,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 06:05:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:04,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 06:05:04,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:05:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-07 06:05:05,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 06:05:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-07 06:05:05,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875796754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 06:05:05,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 06:05:05,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-07 06:05:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092008699] [2024-11-07 06:05:05,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 06:05:05,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 06:05:05,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 06:05:05,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-07 06:05:05,726 INFO L87 Difference]: Start difference. First operand 165 states and 250 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 06:05:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:05:06,027 INFO L93 Difference]: Finished difference Result 274 states and 407 transitions. [2024-11-07 06:05:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 06:05:06,028 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 176 [2024-11-07 06:05:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:05:06,032 INFO L225 Difference]: With dead ends: 274 [2024-11-07 06:05:06,033 INFO L226 Difference]: Without dead ends: 161 [2024-11-07 06:05:06,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-07 06:05:06,035 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 183 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:05:06,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 251 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:05:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-07 06:05:06,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 151. [2024-11-07 06:05:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 91 states have internal predecessors, (113), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 06:05:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 221 transitions. [2024-11-07 06:05:06,078 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 221 transitions. Word has length 176 [2024-11-07 06:05:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:05:06,079 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 221 transitions. [2024-11-07 06:05:06,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-07 06:05:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 221 transitions. [2024-11-07 06:05:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 06:05:06,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:05:06,082 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:06,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 06:05:06,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:05:06,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:05:06,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:05:06,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2046969751, now seen corresponding path program 1 times [2024-11-07 06:05:06,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:05:06,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94158713] [2024-11-07 06:05:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:06,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:05:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:15,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:05:15,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:15,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94158713] [2024-11-07 06:05:15,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94158713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:05:15,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:05:15,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 06:05:15,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051826301] [2024-11-07 06:05:15,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:05:15,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 06:05:15,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:15,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 06:05:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 06:05:15,033 INFO L87 Difference]: Start difference. First operand 151 states and 221 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:05:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:05:18,741 INFO L93 Difference]: Finished difference Result 507 states and 729 transitions. [2024-11-07 06:05:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 06:05:18,742 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-07 06:05:18,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:05:18,745 INFO L225 Difference]: With dead ends: 507 [2024-11-07 06:05:18,745 INFO L226 Difference]: Without dead ends: 412 [2024-11-07 06:05:18,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 06:05:18,747 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 981 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:05:18,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 870 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 06:05:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-07 06:05:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 254. [2024-11-07 06:05:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 164 states have (on average 1.298780487804878) internal successors, (213), 164 states have internal predecessors, (213), 81 states have call successors, (81), 8 states have call predecessors, (81), 8 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:05:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 375 transitions. [2024-11-07 06:05:18,801 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 375 transitions. Word has length 176 [2024-11-07 06:05:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:05:18,802 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 375 transitions. [2024-11-07 06:05:18,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 06:05:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 375 transitions. [2024-11-07 06:05:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:05:18,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:05:18,807 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:18,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 06:05:18,807 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:05:18,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:05:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1927772840, now seen corresponding path program 1 times [2024-11-07 06:05:18,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:05:18,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028133445] [2024-11-07 06:05:18,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:05:18,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:05:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:05:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:05:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:05:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:05:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:05:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:05:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:05:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:05:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:05:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:05:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:05:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:05:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:05:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:05:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:05:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:05:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:05:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:05:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:05:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:05:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:05:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:05:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:05:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:05:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:05:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:05:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:38,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:05:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:05:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:05:39,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:05:39,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028133445] [2024-11-07 06:05:39,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028133445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:05:39,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:05:39,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 06:05:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610272158] [2024-11-07 06:05:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:05:39,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 06:05:39,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:05:39,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 06:05:39,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:05:39,004 INFO L87 Difference]: Start difference. First operand 254 states and 375 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 06:06:08,609 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 191 DAG size of output: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 06:06:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:06:12,027 INFO L93 Difference]: Finished difference Result 947 states and 1363 transitions. [2024-11-07 06:06:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 06:06:12,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 177 [2024-11-07 06:06:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:06:12,037 INFO L225 Difference]: With dead ends: 947 [2024-11-07 06:06:12,037 INFO L226 Difference]: Without dead ends: 749 [2024-11-07 06:06:12,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 06:06:12,039 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 889 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-07 06:06:12,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 1275 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-07 06:06:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-07 06:06:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 285. [2024-11-07 06:06:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 194 states have (on average 1.324742268041237) internal successors, (257), 194 states have internal predecessors, (257), 81 states have call successors, (81), 9 states have call predecessors, (81), 9 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-07 06:06:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 419 transitions. [2024-11-07 06:06:12,121 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 419 transitions. Word has length 177 [2024-11-07 06:06:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:06:12,121 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 419 transitions. [2024-11-07 06:06:12,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 06:06:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 419 transitions. [2024-11-07 06:06:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:06:12,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:06:12,124 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:12,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 06:06:12,125 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:06:12,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:06:12,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1340966826, now seen corresponding path program 1 times [2024-11-07 06:06:12,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:06:12,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380672876] [2024-11-07 06:06:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:06:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:06:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:06:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:06:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:06:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:06:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:06:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:06:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:06:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:06:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:06:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:06:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:06:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:06:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:06:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:06:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:06:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:06:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:06:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 06:06:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:06:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:06:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 06:06:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 06:06:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 06:06:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:06:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 06:06:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:06:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 06:06:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:06:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 06:06:16,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:06:16,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380672876] [2024-11-07 06:06:16,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380672876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:06:16,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:06:16,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 06:06:16,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25012149] [2024-11-07 06:06:16,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:06:16,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 06:06:16,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:06:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 06:06:16,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:06:16,475 INFO L87 Difference]: Start difference. First operand 285 states and 419 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 06:06:20,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:06:20,836 INFO L93 Difference]: Finished difference Result 887 states and 1275 transitions. [2024-11-07 06:06:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 06:06:20,839 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 177 [2024-11-07 06:06:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:06:20,846 INFO L225 Difference]: With dead ends: 887 [2024-11-07 06:06:20,846 INFO L226 Difference]: Without dead ends: 689 [2024-11-07 06:06:20,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2024-11-07 06:06:20,848 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 936 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 06:06:20,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 1018 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 06:06:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-07 06:06:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 362. [2024-11-07 06:06:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 254 states have internal predecessors, (334), 93 states have call successors, (93), 16 states have call predecessors, (93), 16 states have return successors, (93), 91 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-07 06:06:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 520 transitions. [2024-11-07 06:06:21,005 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 520 transitions. Word has length 177 [2024-11-07 06:06:21,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:06:21,006 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 520 transitions. [2024-11-07 06:06:21,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 06:06:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 520 transitions. [2024-11-07 06:06:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-07 06:06:21,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:06:21,010 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:21,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 06:06:21,010 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:06:21,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:06:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash 70122800, now seen corresponding path program 1 times [2024-11-07 06:06:21,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:06:21,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139211146] [2024-11-07 06:06:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:06:21,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:06:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat