./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.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 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:36:23,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:36:23,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:36:23,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:36:23,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:36:23,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:36:23,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:36:23,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:36:23,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:36:23,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:36:23,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:36:23,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:36:23,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:36:23,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:36:23,301 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:36:23,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:36:23,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:36:23,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:36:23,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:36:23,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:36:23,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:36:23,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:36:23,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:36:23,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:36:23,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:36:23,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:36:23,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:36:23,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:36:23,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:36:23,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:36:23,306 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:36:23,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:36:23,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:36:23,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:36:23,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:36:23,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:36:23,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 [2024-11-22 02:36:23,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:36:23,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:36:23,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:36:23,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:36:23,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:36:23,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2024-11-22 02:36:25,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:36:25,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:36:25,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2024-11-22 02:36:25,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81274567/b86e160c58d24a619da5bdcec53f8a38/FLAG2b2a432cf [2024-11-22 02:36:25,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81274567/b86e160c58d24a619da5bdcec53f8a38 [2024-11-22 02:36:25,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:36:25,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:36:25,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:36:25,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:36:25,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:36:25,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:25" (1/1) ... [2024-11-22 02:36:25,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3fb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:25, skipping insertion in model container [2024-11-22 02:36:25,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:25" (1/1) ... [2024-11-22 02:36:25,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:36:25,941 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/rekh_aso.2.M4-2.c[1807,1820] [2024-11-22 02:36:26,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:36:26,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:36:26,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [39] [2024-11-22 02:36:26,699 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/rekh_aso.2.M4-2.c[1807,1820] [2024-11-22 02:36:27,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:36:27,319 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:36:27,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27 WrapperNode [2024-11-22 02:36:27,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:36:27,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:36:27,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:36:27,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:36:27,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:27,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:27,911 INFO L138 Inliner]: procedures = 70, calls = 5777, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12727 [2024-11-22 02:36:27,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:36:27,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:36:27,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:36:27,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:36:27,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:27,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,114 INFO L175 MemorySlicer]: Split 4205 memory accesses to 27 slices as follows [8, 8, 2, 2, 379, 455, 113, 113, 186, 2, 203, 186, 203, 4, 186, 203, 7, 186, 203, 186, 203, 186, 203, 186, 203, 186, 203]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 0, 0, 2, 27, 27, 27, 27, 27, 0, 27, 27, 27, 0, 27, 27, 2, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27]. The 577 writes are split as follows [4, 4, 1, 0, 27, 27, 27, 27, 31, 1, 26, 31, 26, 0, 31, 26, 3, 31, 26, 31, 26, 31, 26, 31, 26, 31, 26]. [2024-11-22 02:36:28,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:36:28,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:36:28,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:36:28,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:36:28,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (1/1) ... [2024-11-22 02:36:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:36:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:28,722 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) [2024-11-22 02:36:28,724 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 [2024-11-22 02:36:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:36:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2024-11-22 02:36:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2024-11-22 02:36:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-22 02:36:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-22 02:36:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:36:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:36:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-22 02:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:36:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:36:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-22 02:36:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-22 02:36:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:36:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:36:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-22 02:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-22 02:36:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-22 02:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-22 02:36:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:36:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:36:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:36:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:36:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-22 02:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-22 02:36:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:36:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:36:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:36:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:36:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-22 02:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-22 02:36:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:36:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-22 02:36:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-22 02:36:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:36:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:36:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:36:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:36:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:36:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-22 02:36:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-22 02:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-22 02:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-22 02:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-22 02:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:36:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:36:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:36:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:36:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-22 02:36:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-22 02:36:29,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:36:29,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:36:42,299 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-22 02:36:42,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:36:42,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:36:42,359 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:36:42,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:42 BoogieIcfgContainer [2024-11-22 02:36:42,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:36:42,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:36:42,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:36:42,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:36:42,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:36:25" (1/3) ... [2024-11-22 02:36:42,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49955d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:42, skipping insertion in model container [2024-11-22 02:36:42,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:27" (2/3) ... [2024-11-22 02:36:42,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49955d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:42, skipping insertion in model container [2024-11-22 02:36:42,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:42" (3/3) ... [2024-11-22 02:36:42,370 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M4-2.c [2024-11-22 02:36:42,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:36:42,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:36:42,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:36:42,789 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;@43cce9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:36:42,789 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:36:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 3454 states, 1919 states have (on average 1.1761334028139656) internal successors, (2257), 2049 states have internal predecessors, (2257), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) [2024-11-22 02:36:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2024-11-22 02:36:42,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:42,888 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:42,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:42,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:42,893 INFO L85 PathProgramCache]: Analyzing trace with hash -189913924, now seen corresponding path program 1 times [2024-11-22 02:36:42,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:42,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249072129] [2024-11-22 02:36:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-22 02:36:46,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:46,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249072129] [2024-11-22 02:36:46,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249072129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:36:46,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139345206] [2024-11-22 02:36:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:46,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:36:46,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:46,681 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) [2024-11-22 02:36:46,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:36:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:50,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:36:50,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:36:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-22 02:36:50,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:36:50,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139345206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:50,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:36:50,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 02:36:50,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505952103] [2024-11-22 02:36:50,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:50,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:36:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:50,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:36:50,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:50,285 INFO L87 Difference]: Start difference. First operand has 3454 states, 1919 states have (on average 1.1761334028139656) internal successors, (2257), 2049 states have internal predecessors, (2257), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) Second operand has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-22 02:36:50,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:50,643 INFO L93 Difference]: Finished difference Result 6903 states and 12020 transitions. [2024-11-22 02:36:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:36:50,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2024-11-22 02:36:50,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:50,707 INFO L225 Difference]: With dead ends: 6903 [2024-11-22 02:36:50,708 INFO L226 Difference]: Without dead ends: 3449 [2024-11-22 02:36:50,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1379 GetRequests, 1379 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:50,781 INFO L432 NwaCegarLoop]: 5270 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, 5270 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 [2024-11-22 02:36:50,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:36:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2024-11-22 02:36:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 3449. [2024-11-22 02:36:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 1915 states have (on average 1.174934725848564) internal successors, (2250), 2045 states have internal predecessors, (2250), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1507), 1407 states have call predecessors, (1507), 1507 states have call successors, (1507) [2024-11-22 02:36:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 5265 transitions. [2024-11-22 02:36:52,061 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 5265 transitions. Word has length 1378 [2024-11-22 02:36:52,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:52,063 INFO L471 AbstractCegarLoop]: Abstraction has 3449 states and 5265 transitions. [2024-11-22 02:36:52,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-22 02:36:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 5265 transitions. [2024-11-22 02:36:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2024-11-22 02:36:52,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:52,135 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:52,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 02:36:52,340 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 [2024-11-22 02:36:52,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:52,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1484599284, now seen corresponding path program 1 times [2024-11-22 02:36:52,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:52,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214557753] [2024-11-22 02:36:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 624 proven. 3 refuted. 0 times theorem prover too weak. 87153 trivial. 0 not checked. [2024-11-22 02:36:57,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:57,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214557753] [2024-11-22 02:36:57,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214557753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:36:57,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124289636] [2024-11-22 02:36:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:57,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:36:57,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:57,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:36:57,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:37:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:00,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 02:37:00,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:37:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 1460 proven. 0 refuted. 0 times theorem prover too weak. 86320 trivial. 0 not checked. [2024-11-22 02:37:00,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:37:00,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124289636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:00,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:37:00,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-22 02:37:00,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51990006] [2024-11-22 02:37:00,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:00,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:37:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:37:00,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:37:00,212 INFO L87 Difference]: Start difference. First operand 3449 states and 5265 transitions. Second operand has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-22 02:37:08,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:08,728 INFO L93 Difference]: Finished difference Result 6893 states and 10553 transitions. [2024-11-22 02:37:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:37:08,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2024-11-22 02:37:08,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:08,808 INFO L225 Difference]: With dead ends: 6893 [2024-11-22 02:37:08,812 INFO L226 Difference]: Without dead ends: 3447 [2024-11-22 02:37:08,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1379 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:37:08,886 INFO L432 NwaCegarLoop]: 3897 mSDtfsCounter, 1 mSDsluCounter, 5061 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8958 SdHoareTripleChecker+Invalid, 6826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:08,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8958 Invalid, 6826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6822 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-22 02:37:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2024-11-22 02:37:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3445. [2024-11-22 02:37:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 1913 states have (on average 1.1740721380031365) internal successors, (2246), 2043 states have internal predecessors, (2246), 1506 states have call successors, (1506), 25 states have call predecessors, (1506), 25 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-22 02:37:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5257 transitions. [2024-11-22 02:37:10,719 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5257 transitions. Word has length 1378 [2024-11-22 02:37:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:10,729 INFO L471 AbstractCegarLoop]: Abstraction has 3445 states and 5257 transitions. [2024-11-22 02:37:10,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-22 02:37:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5257 transitions. [2024-11-22 02:37:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1420 [2024-11-22 02:37:10,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:10,778 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 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] [2024-11-22 02:37:10,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 02:37:10,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 02:37:10,980 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:10,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash 260731651, now seen corresponding path program 1 times [2024-11-22 02:37:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:10,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040828672] [2024-11-22 02:37:10,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86949 trivial. 0 not checked. [2024-11-22 02:37:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040828672] [2024-11-22 02:37:14,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040828672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:14,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:14,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:37:14,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321068259] [2024-11-22 02:37:14,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:14,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:37:14,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:14,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:37:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:37:14,665 INFO L87 Difference]: Start difference. First operand 3445 states and 5257 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-22 02:37:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:14,830 INFO L93 Difference]: Finished difference Result 6885 states and 10535 transitions. [2024-11-22 02:37:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:37:14,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1419 [2024-11-22 02:37:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:14,867 INFO L225 Difference]: With dead ends: 6885 [2024-11-22 02:37:14,867 INFO L226 Difference]: Without dead ends: 3445 [2024-11-22 02:37:14,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:37:14,892 INFO L432 NwaCegarLoop]: 5255 mSDtfsCounter, 0 mSDsluCounter, 5245 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10500 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:14,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10500 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:37:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2024-11-22 02:37:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3445. [2024-11-22 02:37:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 1913 states have (on average 1.173549398849974) internal successors, (2245), 2043 states have internal predecessors, (2245), 1506 states have call successors, (1506), 25 states have call predecessors, (1506), 25 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-22 02:37:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5256 transitions. [2024-11-22 02:37:15,958 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5256 transitions. Word has length 1419 [2024-11-22 02:37:15,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:15,965 INFO L471 AbstractCegarLoop]: Abstraction has 3445 states and 5256 transitions. [2024-11-22 02:37:15,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-22 02:37:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5256 transitions. [2024-11-22 02:37:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2024-11-22 02:37:15,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:15,988 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 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] [2024-11-22 02:37:15,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:37:15,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:15,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:15,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1259761729, now seen corresponding path program 1 times [2024-11-22 02:37:15,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:15,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23068068] [2024-11-22 02:37:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 86952 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2024-11-22 02:37:20,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:20,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23068068] [2024-11-22 02:37:20,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23068068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:20,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:20,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:37:20,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398602958] [2024-11-22 02:37:20,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:20,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:37:20,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:37:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:37:20,050 INFO L87 Difference]: Start difference. First operand 3445 states and 5256 transitions. Second operand has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-22 02:37:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:33,072 INFO L93 Difference]: Finished difference Result 7896 states and 12060 transitions. [2024-11-22 02:37:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:37:33,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1427 [2024-11-22 02:37:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:33,120 INFO L225 Difference]: With dead ends: 7896 [2024-11-22 02:37:33,121 INFO L226 Difference]: Without dead ends: 4456 [2024-11-22 02:37:33,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:37:33,165 INFO L432 NwaCegarLoop]: 6707 mSDtfsCounter, 9705 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 3787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9705 SdHoareTripleChecker+Valid, 9648 SdHoareTripleChecker+Invalid, 7691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3787 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:33,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9705 Valid, 9648 Invalid, 7691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3787 Valid, 3904 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2024-11-22 02:37:33,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2024-11-22 02:37:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4453. [2024-11-22 02:37:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 2550 states have (on average 1.192156862745098) internal successors, (3040), 2680 states have internal predecessors, (3040), 1867 states have call successors, (1867), 36 states have call predecessors, (1867), 35 states have return successors, (1866), 1765 states have call predecessors, (1866), 1866 states have call successors, (1866) [2024-11-22 02:37:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 6773 transitions. [2024-11-22 02:37:34,643 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 6773 transitions. Word has length 1427 [2024-11-22 02:37:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:34,645 INFO L471 AbstractCegarLoop]: Abstraction has 4453 states and 6773 transitions. [2024-11-22 02:37:34,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-22 02:37:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 6773 transitions. [2024-11-22 02:37:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2024-11-22 02:37:34,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:34,666 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 02:37:34,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:37:34,667 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:34,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:34,667 INFO L85 PathProgramCache]: Analyzing trace with hash 945052795, now seen corresponding path program 1 times [2024-11-22 02:37:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804416251] [2024-11-22 02:37:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86954 trivial. 0 not checked. [2024-11-22 02:37:40,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:40,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804416251] [2024-11-22 02:37:40,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804416251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:40,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:40,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:37:40,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092955465] [2024-11-22 02:37:40,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:40,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:37:40,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:40,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:37:40,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:37:40,739 INFO L87 Difference]: Start difference. First operand 4453 states and 6773 transitions. Second operand has 5 states, 4 states have (on average 89.25) internal successors, (357), 5 states have internal predecessors, (357), 4 states have call successors, (218), 2 states have call predecessors, (218), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216)