./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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/rekh_ctm.4.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 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:47:17,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:47:17,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:47:17,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:47:17,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:47:17,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:47:17,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:47:17,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:47:17,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:47:17,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:47:17,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:47:17,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:47:17,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:47:17,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:47:17,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:47:17,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:47:17,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:47:17,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:47:17,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:47:17,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:47:17,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:47:17,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:47:17,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:47:17,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:47:17,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:47:17,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:47:17,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:47:17,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:47:17,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:47:17,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:47:17,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:47:17,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:47:17,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:47:17,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:47:17,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:47:17,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:47:17,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2024-11-08 15:47:18,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:47:18,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:47:18,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:47:18,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:47:18,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:47:18,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-08 15:47:19,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:47:19,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:47:19,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2024-11-08 15:47:19,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45bdfd193/ab00fdfaf2554beaa892a7d0fd8ea0ef/FLAG9984b9134 [2024-11-08 15:47:19,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45bdfd193/ab00fdfaf2554beaa892a7d0fd8ea0ef [2024-11-08 15:47:19,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:47:19,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:47:19,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:47:19,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:47:19,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:47:19,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:47:19" (1/1) ... [2024-11-08 15:47:19,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbdba27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:19, skipping insertion in model container [2024-11-08 15:47:19,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:47:19" (1/1) ... [2024-11-08 15:47:19,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:47:19,899 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_ctm.4.c[1868,1881] [2024-11-08 15:47:20,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:47:20,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:47:20,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok4.i","-S") [42] [2024-11-08 15:47:20,284 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_ctm.4.c[1868,1881] [2024-11-08 15:47:20,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:47:20,563 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:47:20,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20 WrapperNode [2024-11-08 15:47:20,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:47:20,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:47:20,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:47:20,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:47:20,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:20,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:20,887 INFO L138 Inliner]: procedures = 99, calls = 2906, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8763 [2024-11-08 15:47:20,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:47:20,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:47:20,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:47:20,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:47:20,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:20,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:20,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,034 INFO L175 MemorySlicer]: Split 2508 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46]. 3 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 490 writes are split as follows [0, 7, 7, 7, 7, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6]. [2024-11-08 15:47:21,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:47:21,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:47:21,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:47:21,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:47:21,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (1/1) ... [2024-11-08 15:47:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:47:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:47:21,296 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) [2024-11-08 15:47:21,298 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 [2024-11-08 15:47:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2024-11-08 15:47:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2024-11-08 15:47:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2024-11-08 15:47:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2024-11-08 15:47:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 15:47:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 15:47:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 15:47:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-08 15:47:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-11-08 15:47:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2024-11-08 15:47:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2024-11-08 15:47:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2024-11-08 15:47:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-08 15:47:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-08 15:47:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-08 15:47:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-08 15:47:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2024-11-08 15:47:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2024-11-08 15:47:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-08 15:47:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-08 15:47:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2024-11-08 15:47:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2024-11-08 15:47:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2024-11-08 15:47:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2024-11-08 15:47:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 15:47:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 15:47:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 15:47:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-08 15:47:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-11-08 15:47:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 15:47:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 15:47:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-08 15:47:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-08 15:47:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2024-11-08 15:47:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2024-11-08 15:47:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2024-11-08 15:47:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2024-11-08 15:47:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2024-11-08 15:47:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2024-11-08 15:47:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-08 15:47:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-08 15:47:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2024-11-08 15:47:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2024-11-08 15:47:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-08 15:47:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-08 15:47:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2024-11-08 15:47:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2024-11-08 15:47:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2024-11-08 15:47:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2024-11-08 15:47:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-08 15:47:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-08 15:47:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2024-11-08 15:47:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2024-11-08 15:47:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2024-11-08 15:47:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2024-11-08 15:47:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2024-11-08 15:47:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2024-11-08 15:47:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-08 15:47:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2024-11-08 15:47:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2024-11-08 15:47:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2024-11-08 15:47:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2024-11-08 15:47:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2024-11-08 15:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2024-11-08 15:47:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2024-11-08 15:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2024-11-08 15:47:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2024-11-08 15:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2024-11-08 15:47:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2024-11-08 15:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2024-11-08 15:47:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2024-11-08 15:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2024-11-08 15:47:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2024-11-08 15:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2024-11-08 15:47:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2024-11-08 15:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2024-11-08 15:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2024-11-08 15:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2024-11-08 15:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2024-11-08 15:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 15:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-08 15:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-11-08 15:47:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-11-08 15:47:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-11-08 15:47:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2024-11-08 15:47:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2024-11-08 15:47:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2024-11-08 15:47:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:47:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:47:21,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:47:21,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:47:30,542 INFO L? ?]: Removed 946 outVars from TransFormulas that were not future-live. [2024-11-08 15:47:30,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:47:30,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:47:30,583 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 15:47:30,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:47:30 BoogieIcfgContainer [2024-11-08 15:47:30,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:47:30,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:47:30,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:47:30,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:47:30,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:47:19" (1/3) ... [2024-11-08 15:47:30,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7869eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:47:30, skipping insertion in model container [2024-11-08 15:47:30,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:47:20" (2/3) ... [2024-11-08 15:47:30,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7869eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:47:30, skipping insertion in model container [2024-11-08 15:47:30,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:47:30" (3/3) ... [2024-11-08 15:47:30,589 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2024-11-08 15:47:30,601 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:47:30,601 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:47:30,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:47:30,690 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;@42094a67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:47:30,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:47:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 2469 states, 2115 states have (on average 1.4799054373522458) internal successors, (3130), 2139 states have internal predecessors, (3130), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (308), 298 states have call predecessors, (308), 308 states have call successors, (308) [2024-11-08 15:47:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 15:47:30,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:47:30,719 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:47:30,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:47:30,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:47:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -958606310, now seen corresponding path program 1 times [2024-11-08 15:47:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:47:30,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046197692] [2024-11-08 15:47:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:47:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:47:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:31,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:47:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:47:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:47:31,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:47:31,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046197692] [2024-11-08 15:47:31,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046197692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:47:31,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:47:31,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:47:31,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294126099] [2024-11-08 15:47:31,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:47:31,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:47:31,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:47:31,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:47:31,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:47:31,725 INFO L87 Difference]: Start difference. First operand has 2469 states, 2115 states have (on average 1.4799054373522458) internal successors, (3130), 2139 states have internal predecessors, (3130), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (308), 298 states have call predecessors, (308), 308 states have call successors, (308) Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:47:35,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:47:39,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:47:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:47:44,535 INFO L93 Difference]: Finished difference Result 5690 states and 9390 transitions. [2024-11-08 15:47:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:47:44,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 148 [2024-11-08 15:47:44,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:47:44,574 INFO L225 Difference]: With dead ends: 5690 [2024-11-08 15:47:44,575 INFO L226 Difference]: Without dead ends: 3213 [2024-11-08 15:47:44,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:47:44,610 INFO L432 NwaCegarLoop]: 2403 mSDtfsCounter, 1862 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 1206 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 4242 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:47:44,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 4242 Invalid, 3490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1206 Valid, 2282 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-08 15:47:44,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2024-11-08 15:47:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 2456. [2024-11-08 15:47:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2103 states have (on average 1.1535901093675702) internal successors, (2426), 2127 states have internal predecessors, (2426), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (307), 297 states have call predecessors, (307), 307 states have call successors, (307) [2024-11-08 15:47:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3041 transitions. [2024-11-08 15:47:44,806 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3041 transitions. Word has length 148 [2024-11-08 15:47:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:47:44,807 INFO L471 AbstractCegarLoop]: Abstraction has 2456 states and 3041 transitions. [2024-11-08 15:47:44,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:47:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3041 transitions. [2024-11-08 15:47:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 15:47:44,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:47:44,822 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:47:44,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:47:44,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:47:44,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:47:44,823 INFO L85 PathProgramCache]: Analyzing trace with hash -276931705, now seen corresponding path program 1 times [2024-11-08 15:47:44,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:47:44,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870398693] [2024-11-08 15:47:44,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:47:44,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:47:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:47:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:47:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:47:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 15:47:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:47:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 15:47:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:47:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:47:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:47:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 15:47:46,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:47:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870398693] [2024-11-08 15:47:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870398693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:47:46,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:47:46,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:47:46,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640088905] [2024-11-08 15:47:46,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:47:46,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:47:46,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:47:46,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:47:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:47:46,236 INFO L87 Difference]: Start difference. First operand 2456 states and 3041 transitions. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 15:47:50,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:47:54,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:47:58,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:02,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:06,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:19,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:23,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:28,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:36,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:48:36,341 INFO L93 Difference]: Finished difference Result 6528 states and 8776 transitions. [2024-11-08 15:48:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:48:36,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 208 [2024-11-08 15:48:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:48:36,360 INFO L225 Difference]: With dead ends: 6528 [2024-11-08 15:48:36,360 INFO L226 Difference]: Without dead ends: 4077 [2024-11-08 15:48:36,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:48:36,381 INFO L432 NwaCegarLoop]: 2362 mSDtfsCounter, 11104 mSDsluCounter, 5510 mSDsCounter, 0 mSdLazyCounter, 6373 mSolverCounterSat, 3983 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11238 SdHoareTripleChecker+Valid, 7872 SdHoareTripleChecker+Invalid, 10366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3983 IncrementalHoareTripleChecker+Valid, 6373 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:48:36,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11238 Valid, 7872 Invalid, 10366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3983 Valid, 6373 Invalid, 10 Unknown, 0 Unchecked, 49.4s Time] [2024-11-08 15:48:36,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2024-11-08 15:48:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 2979. [2024-11-08 15:48:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2478 states have (on average 1.1864406779661016) internal successors, (2940), 2508 states have internal predecessors, (2940), 423 states have call successors, (423), 77 states have call predecessors, (423), 77 states have return successors, (422), 408 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-08 15:48:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3785 transitions. [2024-11-08 15:48:36,526 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3785 transitions. Word has length 208 [2024-11-08 15:48:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:48:36,528 INFO L471 AbstractCegarLoop]: Abstraction has 2979 states and 3785 transitions. [2024-11-08 15:48:36,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 15:48:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3785 transitions. [2024-11-08 15:48:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 15:48:36,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:48:36,534 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:48:36,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:48:36,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:48:36,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:48:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1847461033, now seen corresponding path program 1 times [2024-11-08 15:48:36,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:48:36,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804394130] [2024-11-08 15:48:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:48:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:48:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:48:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:48:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:48:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 15:48:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:48:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 15:48:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:48:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 15:48:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:48:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 15:48:37,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:48:37,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804394130] [2024-11-08 15:48:37,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804394130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:48:37,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:48:37,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:48:37,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925137304] [2024-11-08 15:48:37,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:48:37,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:48:37,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:48:37,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:48:37,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:48:37,627 INFO L87 Difference]: Start difference. First operand 2979 states and 3785 transitions. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 6 states have internal predecessors, (190), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 15:48:41,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:45,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:49,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 15:48:53,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []