./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:42:04,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:42:05,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:42:05,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:42:05,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:42:05,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:42:05,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:42:05,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:42:05,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:42:05,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:42:05,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:42:05,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:42:05,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:42:05,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:42:05,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:42:05,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:42:05,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:42:05,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:42:05,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:42:05,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:42:05,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:42:05,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:42:05,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:42:05,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:42:05,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:42:05,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:42:05,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:42:05,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:42:05,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:42:05,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:42:05,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:42:05,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:42:05,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:42:05,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:42:05,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:42:05,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:42:05,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:42:05,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:42:05,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:42:05,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:42:05,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:42:05,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:42:05,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77e8c9f93ca54d94eb905f2ce3291ad784a62b1b2b1f919a3731c7174a0c943 [2024-10-24 11:42:05,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:42:05,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:42:05,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:42:05,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:42:05,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:42:05,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i [2024-10-24 11:42:06,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:42:07,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:42:07,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i [2024-10-24 11:42:07,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3471829d/37ce645036f0406e95af58a851574dba/FLAG1a0bb2865 [2024-10-24 11:42:07,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3471829d/37ce645036f0406e95af58a851574dba [2024-10-24 11:42:07,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:42:07,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:42:07,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:42:07,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:42:07,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:42:07,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb2b1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07, skipping insertion in model container [2024-10-24 11:42:07,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:42:07,677 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-10-24 11:42:07,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:42:07,752 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:42:07,763 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-80.i[916,929] [2024-10-24 11:42:07,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:42:07,829 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:42:07,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07 WrapperNode [2024-10-24 11:42:07,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:42:07,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:42:07,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:42:07,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:42:07,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,909 INFO L138 Inliner]: procedures = 29, calls = 244, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 811 [2024-10-24 11:42:07,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:42:07,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:42:07,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:42:07,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:42:07,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,975 INFO L175 MemorySlicer]: Split 199 memory accesses to 18 slices as follows [2, 3, 11, 8, 12, 13, 6, 14, 5, 22, 22, 14, 16, 8, 8, 3, 23, 9]. 12 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-24 11:42:07,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:07,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:42:08,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:42:08,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:42:08,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:42:08,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (1/1) ... [2024-10-24 11:42:08,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:42:08,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:42:08,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 11:42:08,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 11:42:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:42:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 11:42:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 11:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 11:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 11:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 11:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 11:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 11:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 11:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 11:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 11:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 11:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 11:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-24 11:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-24 11:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-24 11:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-24 11:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-24 11:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-24 11:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-24 11:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-24 11:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-24 11:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-24 11:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-10-24 11:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-10-24 11:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#17 [2024-10-24 11:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-24 11:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-10-24 11:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#17 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 11:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 11:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 11:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 11:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 11:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 11:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 11:42:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 11:42:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-24 11:42:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-24 11:42:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-24 11:42:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-24 11:42:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-24 11:42:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-24 11:42:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-24 11:42:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-24 11:42:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-10-24 11:42:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-10-24 11:42:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#17 [2024-10-24 11:42:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:42:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 11:42:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 11:42:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 11:42:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 11:42:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 11:42:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 11:42:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 11:42:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:42:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:42:08,463 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:42:08,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:42:09,210 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-10-24 11:42:09,211 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:42:09,271 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:42:09,274 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:42:09,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:42:09 BoogieIcfgContainer [2024-10-24 11:42:09,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:42:09,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:42:09,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:42:09,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:42:09,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:42:07" (1/3) ... [2024-10-24 11:42:09,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ec98d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:42:09, skipping insertion in model container [2024-10-24 11:42:09,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:42:07" (2/3) ... [2024-10-24 11:42:09,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ec98d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:42:09, skipping insertion in model container [2024-10-24 11:42:09,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:42:09" (3/3) ... [2024-10-24 11:42:09,286 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-80.i [2024-10-24 11:42:09,304 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:42:09,304 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:42:09,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:42:09,410 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;@7e24ef9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:42:09,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:42:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 128 states have internal predecessors, (188), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:42:09,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:09,434 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:09,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:09,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:09,439 INFO L85 PathProgramCache]: Analyzing trace with hash 206751335, now seen corresponding path program 1 times [2024-10-24 11:42:09,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:09,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308984185] [2024-10-24 11:42:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:09,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:10,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:10,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308984185] [2024-10-24 11:42:10,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308984185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:10,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:10,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:42:10,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223745464] [2024-10-24 11:42:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:10,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:42:10,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:10,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:42:10,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:42:10,044 INFO L87 Difference]: Start difference. First operand has 147 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 128 states have internal predecessors, (188), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 11:42:10,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:10,098 INFO L93 Difference]: Finished difference Result 291 states and 459 transitions. [2024-10-24 11:42:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:42:10,101 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-10-24 11:42:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:10,112 INFO L225 Difference]: With dead ends: 291 [2024-10-24 11:42:10,112 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 11:42:10,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:42:10,122 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:10,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 11:42:10,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-24 11:42:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 126 states have internal predecessors, (183), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 217 transitions. [2024-10-24 11:42:10,173 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 217 transitions. Word has length 148 [2024-10-24 11:42:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:10,173 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 217 transitions. [2024-10-24 11:42:10,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 11:42:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 217 transitions. [2024-10-24 11:42:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:42:10,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:10,178 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:10,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:42:10,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:10,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 953343569, now seen corresponding path program 1 times [2024-10-24 11:42:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640566899] [2024-10-24 11:42:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:10,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:10,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640566899] [2024-10-24 11:42:10,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640566899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:10,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:10,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034272887] [2024-10-24 11:42:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:10,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:10,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:10,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:10,667 INFO L87 Difference]: Start difference. First operand 145 states and 217 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 11:42:10,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:10,727 INFO L93 Difference]: Finished difference Result 291 states and 436 transitions. [2024-10-24 11:42:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:10,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-10-24 11:42:10,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:10,730 INFO L225 Difference]: With dead ends: 291 [2024-10-24 11:42:10,730 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 11:42:10,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:10,732 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 0 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:10,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:10,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 11:42:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 11:42:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 128 states have (on average 1.4453125) internal successors, (185), 128 states have internal predecessors, (185), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 219 transitions. [2024-10-24 11:42:10,750 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 219 transitions. Word has length 148 [2024-10-24 11:42:10,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:10,752 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 219 transitions. [2024-10-24 11:42:10,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 11:42:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2024-10-24 11:42:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:42:10,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:10,755 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:10,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 11:42:10,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:10,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:10,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1797349071, now seen corresponding path program 1 times [2024-10-24 11:42:10,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:10,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230825719] [2024-10-24 11:42:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:10,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:11,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:11,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230825719] [2024-10-24 11:42:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230825719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:11,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:11,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:11,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56049470] [2024-10-24 11:42:11,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:11,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:11,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:11,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,162 INFO L87 Difference]: Start difference. First operand 147 states and 219 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:11,209 INFO L93 Difference]: Finished difference Result 295 states and 440 transitions. [2024-10-24 11:42:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:11,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-10-24 11:42:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:11,212 INFO L225 Difference]: With dead ends: 295 [2024-10-24 11:42:11,212 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 11:42:11,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,214 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 0 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:11,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 626 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:11,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 11:42:11,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-24 11:42:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 130 states have internal predecessors, (187), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 221 transitions. [2024-10-24 11:42:11,233 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 221 transitions. Word has length 148 [2024-10-24 11:42:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:11,233 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 221 transitions. [2024-10-24 11:42:11,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2024-10-24 11:42:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:42:11,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:11,240 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:11,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 11:42:11,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:11,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash 76822388, now seen corresponding path program 1 times [2024-10-24 11:42:11,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:11,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196618599] [2024-10-24 11:42:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:11,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:11,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:11,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196618599] [2024-10-24 11:42:11,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196618599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:11,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:11,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:11,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022019367] [2024-10-24 11:42:11,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:11,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:11,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:11,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:11,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,507 INFO L87 Difference]: Start difference. First operand 149 states and 221 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:11,556 INFO L93 Difference]: Finished difference Result 300 states and 445 transitions. [2024-10-24 11:42:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:11,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-10-24 11:42:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:11,558 INFO L225 Difference]: With dead ends: 300 [2024-10-24 11:42:11,558 INFO L226 Difference]: Without dead ends: 152 [2024-10-24 11:42:11,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,560 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:11,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 623 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:11,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-24 11:42:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2024-10-24 11:42:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 132 states have (on average 1.4318181818181819) internal successors, (189), 132 states have internal predecessors, (189), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 223 transitions. [2024-10-24 11:42:11,570 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 223 transitions. Word has length 150 [2024-10-24 11:42:11,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:11,571 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 223 transitions. [2024-10-24 11:42:11,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 223 transitions. [2024-10-24 11:42:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:42:11,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:11,573 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:11,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 11:42:11,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:11,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:11,573 INFO L85 PathProgramCache]: Analyzing trace with hash -732524238, now seen corresponding path program 1 times [2024-10-24 11:42:11,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:11,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205711649] [2024-10-24 11:42:11,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:11,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:11,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:11,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205711649] [2024-10-24 11:42:11,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205711649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:11,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:11,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:11,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977425250] [2024-10-24 11:42:11,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:11,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:11,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:11,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:11,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,821 INFO L87 Difference]: Start difference. First operand 151 states and 223 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:11,864 INFO L93 Difference]: Finished difference Result 304 states and 449 transitions. [2024-10-24 11:42:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:11,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-10-24 11:42:11,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:11,866 INFO L225 Difference]: With dead ends: 304 [2024-10-24 11:42:11,866 INFO L226 Difference]: Without dead ends: 154 [2024-10-24 11:42:11,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:11,868 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:11,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 624 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:11,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-24 11:42:11,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2024-10-24 11:42:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 134 states have (on average 1.4253731343283582) internal successors, (191), 134 states have internal predecessors, (191), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 225 transitions. [2024-10-24 11:42:11,890 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 225 transitions. Word has length 150 [2024-10-24 11:42:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:11,892 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 225 transitions. [2024-10-24 11:42:11,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 225 transitions. [2024-10-24 11:42:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:42:11,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:11,914 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:11,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 11:42:11,914 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:11,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:11,915 INFO L85 PathProgramCache]: Analyzing trace with hash -675265936, now seen corresponding path program 1 times [2024-10-24 11:42:11,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:11,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733263178] [2024-10-24 11:42:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:12,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:12,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733263178] [2024-10-24 11:42:12,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733263178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:12,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315172579] [2024-10-24 11:42:12,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:12,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:12,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:12,155 INFO L87 Difference]: Start difference. First operand 153 states and 225 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:12,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:12,190 INFO L93 Difference]: Finished difference Result 308 states and 453 transitions. [2024-10-24 11:42:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:12,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-10-24 11:42:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:12,192 INFO L225 Difference]: With dead ends: 308 [2024-10-24 11:42:12,192 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 11:42:12,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:12,194 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:12,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 627 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 11:42:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-10-24 11:42:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 227 transitions. [2024-10-24 11:42:12,205 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 227 transitions. Word has length 150 [2024-10-24 11:42:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:12,206 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 227 transitions. [2024-10-24 11:42:12,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 227 transitions. [2024-10-24 11:42:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:42:12,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:12,212 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:12,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 11:42:12,212 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:12,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:12,213 INFO L85 PathProgramCache]: Analyzing trace with hash -675206354, now seen corresponding path program 1 times [2024-10-24 11:42:12,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:12,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844755541] [2024-10-24 11:42:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:42:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:42:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:42:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:42:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:42:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:42:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:42:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:42:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:42:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:42:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:42:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:42:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:42:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:42:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 11:42:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:42:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 11:42:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:42:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 11:42:12,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:42:12,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844755541] [2024-10-24 11:42:12,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844755541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:42:12,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:42:12,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:42:12,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903039417] [2024-10-24 11:42:12,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:42:12,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:42:12,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:42:12,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:42:12,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:42:12,682 INFO L87 Difference]: Start difference. First operand 155 states and 227 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:12,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:42:12,740 INFO L93 Difference]: Finished difference Result 313 states and 460 transitions. [2024-10-24 11:42:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:42:12,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-10-24 11:42:12,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:42:12,743 INFO L225 Difference]: With dead ends: 313 [2024-10-24 11:42:12,743 INFO L226 Difference]: Without dead ends: 159 [2024-10-24 11:42:12,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:42:12,744 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 2 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:42:12,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 625 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:42:12,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-24 11:42:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-10-24 11:42:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.4172661870503598) internal successors, (197), 139 states have internal predecessors, (197), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 11:42:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 231 transitions. [2024-10-24 11:42:12,762 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 231 transitions. Word has length 150 [2024-10-24 11:42:12,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:42:12,763 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 231 transitions. [2024-10-24 11:42:12,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-24 11:42:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2024-10-24 11:42:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:42:12,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:42:12,765 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:42:12,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 11:42:12,765 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:42:12,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:42:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash -456351636, now seen corresponding path program 1 times [2024-10-24 11:42:12,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:42:12,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352591850] [2024-10-24 11:42:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:42:12,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:42:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat