./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c -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 fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:48:03,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:48:03,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:48:03,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:48:03,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:48:03,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:48:03,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:48:03,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:48:03,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:48:03,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:48:03,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:48:03,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:48:03,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:48:03,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:48:03,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:48:03,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:48:03,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:48:03,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:48:03,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:48:03,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:48:03,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:48:03,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:48:03,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:48:03,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:48:03,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:48:03,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:48:03,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:48:03,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:48:03,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:48:03,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:48:03,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:48:03,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:48:03,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:48:03,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:48:03,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:48:03,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:48:03,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:48:03,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:48:03,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:48:03,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:48:03,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:48:03,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:48:03,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c [2024-11-18 14:48:03,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:48:03,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:48:03,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:48:03,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:48:03,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:48:03,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2024-11-18 14:48:05,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:48:05,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:48:05,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c [2024-11-18 14:48:05,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6bc2727/15a29296495b424e89e322430d31a263/FLAGce7e554f9 [2024-11-18 14:48:05,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6bc2727/15a29296495b424e89e322430d31a263 [2024-11-18 14:48:05,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:48:05,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:48:05,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:48:05,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:48:05,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:48:05,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:48:05" (1/1) ... [2024-11-18 14:48:05,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20516b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:05, skipping insertion in model container [2024-11-18 14:48:05,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:48:05" (1/1) ... [2024-11-18 14:48:06,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:48:06,342 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2024-11-18 14:48:06,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:48:06,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:48:06,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [44] [2024-11-18 14:48:06,781 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075] [2024-11-18 14:48:07,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:48:07,092 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:48:07,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07 WrapperNode [2024-11-18 14:48:07,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:48:07,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:48:07,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:48:07,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:48:07,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,492 INFO L138 Inliner]: procedures = 73, calls = 3161, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 6409 [2024-11-18 14:48:07,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:48:07,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:48:07,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:48:07,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:48:07,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,678 INFO L175 MemorySlicer]: Split 2493 memory accesses to 32 slices as follows [2, 7, 8, 4, 2, 50, 5, 3, 264, 272, 144, 112, 8, 57, 57, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 2]. 11 percent of accesses are in the largest equivalence class. The 493 initializations are split as follows [0, 2, 0, 0, 2, 0, 2, 1, 24, 24, 2, 2, 0, 1, 1, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0]. The 527 writes are split as follows [1, 3, 4, 0, 0, 26, 1, 1, 24, 24, 2, 2, 4, 1, 1, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 1]. [2024-11-18 14:48:07,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:08,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:48:08,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:48:08,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:48:08,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:48:08,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:08,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:48:08,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:48:08,094 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) [2024-11-18 14:48:08,098 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 [2024-11-18 14:48:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:48:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2024-11-18 14:48:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2024-11-18 14:48:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-18 14:48:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-18 14:48:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:48:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:48:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:48:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:48:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-18 14:48:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-18 14:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-18 14:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-18 14:48:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-18 14:48:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-18 14:48:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-18 14:48:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-18 14:48:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-18 14:48:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-18 14:48:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-18 14:48:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-18 14:48:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-18 14:48:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:48:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:48:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:48:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-18 14:48:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-18 14:48:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-18 14:48:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-18 14:48:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:48:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:48:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:48:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:48:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:48:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-18 14:48:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:48:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-18 14:48:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-18 14:48:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-18 14:48:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:48:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:48:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:48:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:48:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:48:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 14:48:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:48:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:48:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:48:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:48:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:48:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:48:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:48:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:48:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:48:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:48:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:48:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:48:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:48:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:48:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:48:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:48:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:48:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-18 14:48:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-18 14:48:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-18 14:48:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-18 14:48:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:48:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:48:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-18 14:48:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-18 14:48:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-18 14:48:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-18 14:48:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-18 14:48:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 14:48:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:48:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:48:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:48:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:48:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:48:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:48:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:48:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-18 14:48:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-18 14:48:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-18 14:48:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-18 14:48:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-18 14:48:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:48:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:48:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-18 14:48:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-18 14:48:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:48:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:48:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:48:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:48:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-18 14:48:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-18 14:48:08,707 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:48:08,709 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:48:17,503 INFO L? ?]: Removed 348 outVars from TransFormulas that were not future-live. [2024-11-18 14:48:17,503 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:48:17,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:48:17,558 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:48:17,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:17 BoogieIcfgContainer [2024-11-18 14:48:17,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:48:17,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:48:17,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:48:17,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:48:17,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:48:05" (1/3) ... [2024-11-18 14:48:17,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52926570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:17, skipping insertion in model container [2024-11-18 14:48:17,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07" (2/3) ... [2024-11-18 14:48:17,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52926570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:17, skipping insertion in model container [2024-11-18 14:48:17,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:17" (3/3) ... [2024-11-18 14:48:17,567 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-1.c [2024-11-18 14:48:17,584 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:48:17,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:48:17,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:48:17,717 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;@6154d584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:48:17,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:48:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 1639 states, 1016 states have (on average 1.2568897637795275) internal successors, (1277), 1049 states have internal predecessors, (1277), 597 states have call successors, (597), 24 states have call predecessors, (597), 24 states have return successors, (597), 594 states have call predecessors, (597), 597 states have call successors, (597) [2024-11-18 14:48:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2024-11-18 14:48:17,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:17,839 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:17,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:17,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:17,846 INFO L85 PathProgramCache]: Analyzing trace with hash -202561091, now seen corresponding path program 1 times [2024-11-18 14:48:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:17,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681187779] [2024-11-18 14:48:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:17,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked. [2024-11-18 14:48:21,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:21,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681187779] [2024-11-18 14:48:21,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681187779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:48:21,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893180070] [2024-11-18 14:48:21,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:21,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:48:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:48:21,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:48:21,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:48:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:24,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 6387 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:48:24,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:48:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 115200 trivial. 0 not checked. [2024-11-18 14:48:24,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:48:24,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893180070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:24,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:48:24,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 14:48:24,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777419278] [2024-11-18 14:48:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:24,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:48:24,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:24,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:48:24,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:48:24,849 INFO L87 Difference]: Start difference. First operand has 1639 states, 1016 states have (on average 1.2568897637795275) internal successors, (1277), 1049 states have internal predecessors, (1277), 597 states have call successors, (597), 24 states have call predecessors, (597), 24 states have return successors, (597), 594 states have call predecessors, (597), 597 states have call successors, (597) Second operand has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) [2024-11-18 14:48:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:25,033 INFO L93 Difference]: Finished difference Result 3273 states and 5505 transitions. [2024-11-18 14:48:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:48:25,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) Word has length 1658 [2024-11-18 14:48:25,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:25,075 INFO L225 Difference]: With dead ends: 3273 [2024-11-18 14:48:25,075 INFO L226 Difference]: Without dead ends: 1631 [2024-11-18 14:48:25,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1659 GetRequests, 1659 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:48:25,106 INFO L432 NwaCegarLoop]: 2468 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:25,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:48:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2024-11-18 14:48:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1631. [2024-11-18 14:48:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1009 states have (on average 1.2547076313181367) internal successors, (1266), 1042 states have internal predecessors, (1266), 597 states have call successors, (597), 24 states have call predecessors, (597), 24 states have return successors, (596), 593 states have call predecessors, (596), 596 states have call successors, (596) [2024-11-18 14:48:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2459 transitions. [2024-11-18 14:48:25,422 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2459 transitions. Word has length 1658 [2024-11-18 14:48:25,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:25,424 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2459 transitions. [2024-11-18 14:48:25,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 2 states have call successors, (241) [2024-11-18 14:48:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2459 transitions. [2024-11-18 14:48:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2024-11-18 14:48:25,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:25,522 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:25,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:48:25,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 14:48:25,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:25,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1149690587, now seen corresponding path program 1 times [2024-11-18 14:48:25,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:25,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000641772] [2024-11-18 14:48:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2024-11-18 14:48:37,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:37,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000641772] [2024-11-18 14:48:37,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000641772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:37,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:37,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:37,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781120507] [2024-11-18 14:48:37,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:37,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:37,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:37,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:37,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:37,191 INFO L87 Difference]: Start difference. First operand 1631 states and 2459 transitions. Second operand has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2024-11-18 14:48:38,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:38,081 INFO L93 Difference]: Finished difference Result 2472 states and 3723 transitions. [2024-11-18 14:48:38,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:38,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) Word has length 1658 [2024-11-18 14:48:38,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:38,109 INFO L225 Difference]: With dead ends: 2472 [2024-11-18 14:48:38,110 INFO L226 Difference]: Without dead ends: 2470 [2024-11-18 14:48:38,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:38,113 INFO L432 NwaCegarLoop]: 2446 mSDtfsCounter, 1773 mSDsluCounter, 8499 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 10945 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:38,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 10945 Invalid, 190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 14:48:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2024-11-18 14:48:38,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2468. [2024-11-18 14:48:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2468 states, 1485 states have (on average 1.2255892255892256) internal successors, (1820), 1545 states have internal predecessors, (1820), 939 states have call successors, (939), 43 states have call predecessors, (939), 43 states have return successors, (961), 932 states have call predecessors, (961), 937 states have call successors, (961) [2024-11-18 14:48:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3720 transitions. [2024-11-18 14:48:38,523 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3720 transitions. Word has length 1658 [2024-11-18 14:48:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:38,529 INFO L471 AbstractCegarLoop]: Abstraction has 2468 states and 3720 transitions. [2024-11-18 14:48:38,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2024-11-18 14:48:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3720 transitions. [2024-11-18 14:48:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1665 [2024-11-18 14:48:38,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:38,574 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:38,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:48:38,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:38,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:38,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1291796401, now seen corresponding path program 1 times [2024-11-18 14:48:38,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:38,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452324986] [2024-11-18 14:48:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 115682 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2024-11-18 14:48:47,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:47,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452324986] [2024-11-18 14:48:47,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452324986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:47,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:47,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163709349] [2024-11-18 14:48:47,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:47,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:47,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:47,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:47,332 INFO L87 Difference]: Start difference. First operand 2468 states and 3720 transitions. Second operand has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2024-11-18 14:48:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:48,010 INFO L93 Difference]: Finished difference Result 2476 states and 3726 transitions. [2024-11-18 14:48:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:48,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) Word has length 1664 [2024-11-18 14:48:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:48,039 INFO L225 Difference]: With dead ends: 2476 [2024-11-18 14:48:48,040 INFO L226 Difference]: Without dead ends: 2474 [2024-11-18 14:48:48,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:48,046 INFO L432 NwaCegarLoop]: 2449 mSDtfsCounter, 1768 mSDsluCounter, 8503 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 10952 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:48,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1768 Valid, 10952 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 14:48:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2024-11-18 14:48:48,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2472. [2024-11-18 14:48:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 1488 states have (on average 1.2251344086021505) internal successors, (1823), 1548 states have internal predecessors, (1823), 939 states have call successors, (939), 44 states have call predecessors, (939), 44 states have return successors, (961), 932 states have call predecessors, (961), 937 states have call successors, (961) [2024-11-18 14:48:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3723 transitions. [2024-11-18 14:48:48,567 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3723 transitions. Word has length 1664 [2024-11-18 14:48:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:48,571 INFO L471 AbstractCegarLoop]: Abstraction has 2472 states and 3723 transitions. [2024-11-18 14:48:48,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2024-11-18 14:48:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3723 transitions. [2024-11-18 14:48:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2024-11-18 14:48:48,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:48,630 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:48,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:48:48,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:48,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:48,633 INFO L85 PathProgramCache]: Analyzing trace with hash 348056837, now seen corresponding path program 1 times [2024-11-18 14:48:48,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:48,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906737262] [2024-11-18 14:48:48,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:48,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 115688 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115684 trivial. 0 not checked. [2024-11-18 14:48:55,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906737262] [2024-11-18 14:48:55,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906737262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:55,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:55,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:55,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016128246] [2024-11-18 14:48:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:55,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:55,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:55,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:55,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:55,090 INFO L87 Difference]: Start difference. First operand 2472 states and 3723 transitions. Second operand has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2024-11-18 14:48:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:55,692 INFO L93 Difference]: Finished difference Result 2480 states and 3729 transitions. [2024-11-18 14:48:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:55,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) Word has length 1670 [2024-11-18 14:48:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:55,718 INFO L225 Difference]: With dead ends: 2480 [2024-11-18 14:48:55,718 INFO L226 Difference]: Without dead ends: 2478 [2024-11-18 14:48:55,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:55,724 INFO L432 NwaCegarLoop]: 2449 mSDtfsCounter, 1766 mSDsluCounter, 8503 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 10952 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:55,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 10952 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 14:48:55,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2024-11-18 14:48:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2476. [2024-11-18 14:48:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 1491 states have (on average 1.2246814218645206) internal successors, (1826), 1551 states have internal predecessors, (1826), 939 states have call successors, (939), 45 states have call predecessors, (939), 45 states have return successors, (961), 932 states have call predecessors, (961), 937 states have call successors, (961) [2024-11-18 14:48:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3726 transitions. [2024-11-18 14:48:56,102 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3726 transitions. Word has length 1670 [2024-11-18 14:48:56,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:56,105 INFO L471 AbstractCegarLoop]: Abstraction has 2476 states and 3726 transitions. [2024-11-18 14:48:56,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2024-11-18 14:48:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3726 transitions. [2024-11-18 14:48:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2024-11-18 14:48:56,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:56,151 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:56,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:48:56,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:56,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash -967109545, now seen corresponding path program 1 times [2024-11-18 14:48:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:56,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706820652] [2024-11-18 14:48:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 115698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 115692 trivial. 0 not checked. [2024-11-18 14:49:02,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706820652] [2024-11-18 14:49:02,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706820652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:02,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:02,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:02,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158254797] [2024-11-18 14:49:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:02,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:02,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:02,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:02,183 INFO L87 Difference]: Start difference. First operand 2476 states and 3726 transitions. Second operand has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2024-11-18 14:49:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:02,651 INFO L93 Difference]: Finished difference Result 2484 states and 3732 transitions. [2024-11-18 14:49:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:02,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) Word has length 1676 [2024-11-18 14:49:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:02,676 INFO L225 Difference]: With dead ends: 2484 [2024-11-18 14:49:02,676 INFO L226 Difference]: Without dead ends: 2482 [2024-11-18 14:49:02,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:02,679 INFO L432 NwaCegarLoop]: 2449 mSDtfsCounter, 1764 mSDsluCounter, 8503 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 10952 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:02,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 10952 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 14:49:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2482 states. [2024-11-18 14:49:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2482 to 2480. [2024-11-18 14:49:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 1494 states have (on average 1.2242302543507362) internal successors, (1829), 1554 states have internal predecessors, (1829), 939 states have call successors, (939), 46 states have call predecessors, (939), 46 states have return successors, (961), 932 states have call predecessors, (961), 937 states have call successors, (961) [2024-11-18 14:49:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3729 transitions. [2024-11-18 14:49:03,054 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3729 transitions. Word has length 1676 [2024-11-18 14:49:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:03,056 INFO L471 AbstractCegarLoop]: Abstraction has 2480 states and 3729 transitions. [2024-11-18 14:49:03,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2024-11-18 14:49:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3729 transitions. [2024-11-18 14:49:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1683 [2024-11-18 14:49:03,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:03,100 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:03,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:49:03,101 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:03,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:03,101 INFO L85 PathProgramCache]: Analyzing trace with hash -616317145, now seen corresponding path program 1 times [2024-11-18 14:49:03,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482689469] [2024-11-18 14:49:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 115712 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115704 trivial. 0 not checked. [2024-11-18 14:49:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:09,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482689469] [2024-11-18 14:49:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482689469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:09,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:09,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:09,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599826137] [2024-11-18 14:49:09,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:09,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:09,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:09,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:09,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:09,406 INFO L87 Difference]: Start difference. First operand 2480 states and 3729 transitions. Second operand has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) [2024-11-18 14:49:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:09,917 INFO L93 Difference]: Finished difference Result 2488 states and 3735 transitions. [2024-11-18 14:49:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:09,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) Word has length 1682 [2024-11-18 14:49:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:09,940 INFO L225 Difference]: With dead ends: 2488 [2024-11-18 14:49:09,941 INFO L226 Difference]: Without dead ends: 2486 [2024-11-18 14:49:09,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:09,944 INFO L432 NwaCegarLoop]: 2449 mSDtfsCounter, 1762 mSDsluCounter, 8503 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 10952 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:09,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 10952 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 14:49:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states.