./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme --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 a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:58,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:59,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:00:59,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:59,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:59,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:59,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:59,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:59,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:59,055 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:59,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:59,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:59,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:59,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:59,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:59,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:59,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:59,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:59,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:59,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:59,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:59,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:59,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:59,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:59,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:59,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:59,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:59,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:59,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:59,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:59,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:59,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:59,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:59,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:59,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:59,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:59,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:59,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:59,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:59,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:59,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:59,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:59,085 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 [2023-11-26 12:00:59,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:59,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:59,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:59,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:59,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:59,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2023-11-26 12:01:02,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:01:03,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:01:03,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2023-11-26 12:01:03,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/data/72bab9e4b/78b5481bcf0c4255b0e2f67ea9610866/FLAG0c21615bc [2023-11-26 12:01:03,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/data/72bab9e4b/78b5481bcf0c4255b0e2f67ea9610866 [2023-11-26 12:01:03,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:01:03,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:01:03,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:03,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:01:03,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:01:03,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:03" (1/1) ... [2023-11-26 12:01:03,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e339de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:03, skipping insertion in model container [2023-11-26 12:01:03,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:03" (1/1) ... [2023-11-26 12:01:03,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:01:03,445 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2023-11-26 12:01:04,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:04,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:01:04,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug3.i","-S") [42] [2023-11-26 12:01:04,257 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2023-11-26 12:01:04,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:04,552 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:01:04,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04 WrapperNode [2023-11-26 12:01:04,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:04,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:04,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:01:04,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:01:04,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:04,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,048 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8541 [2023-11-26 12:01:05,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:05,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:01:05,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:01:05,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:01:05,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,274 INFO L175 MemorySlicer]: Split 2420 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46]. 4 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 446 writes are split as follows [0, 7, 7, 7, 7, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6]. [2023-11-26 12:01:05,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:01:05,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:01:05,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:01:05,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:01:05,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (1/1) ... [2023-11-26 12:01:05,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:05,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:05,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff8560bd-a50b-4a7c-a0b5-b2d4157ba313/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:01:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-26 12:01:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-26 12:01:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-26 12:01:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-26 12:01:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:01:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:01:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:01:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 12:01:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 12:01:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 12:01:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 12:01:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 12:01:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 12:01:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 12:01:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 12:01:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 12:01:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 12:01:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 12:01:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 12:01:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 12:01:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 12:01:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 12:01:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 12:01:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 12:01:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 12:01:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 12:01:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 12:01:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 12:01:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 12:01:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 12:01:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 12:01:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 12:01:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 12:01:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 12:01:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 12:01:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 12:01:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 12:01:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 12:01:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 12:01:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 12:01:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-26 12:01:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-26 12:01:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-26 12:01:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-26 12:01:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-26 12:01:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-26 12:01:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-26 12:01:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-26 12:01:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-26 12:01:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-26 12:01:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-26 12:01:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-26 12:01:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 12:01:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:01:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 12:01:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 12:01:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 12:01:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 12:01:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 12:01:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 12:01:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 12:01:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 12:01:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 12:01:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 12:01:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 12:01:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 12:01:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 12:01:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 12:01:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 12:01:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 12:01:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 12:01:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 12:01:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 12:01:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 12:01:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 12:01:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 12:01:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 12:01:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 12:01:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 12:01:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 12:01:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 12:01:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 12:01:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 12:01:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 12:01:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-26 12:01:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-26 12:01:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-26 12:01:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-26 12:01:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-26 12:01:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-26 12:01:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-26 12:01:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-26 12:01:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-26 12:01:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-26 12:01:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-26 12:01:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-26 12:01:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:01:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-26 12:01:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-26 12:01:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-26 12:01:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-26 12:01:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-26 12:01:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-26 12:01:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-26 12:01:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-26 12:01:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-26 12:01:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-26 12:01:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-26 12:01:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-26 12:01:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-26 12:01:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-26 12:01:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-26 12:01:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-26 12:01:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-26 12:01:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-26 12:01:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-26 12:01:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-26 12:01:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-26 12:01:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-26 12:01:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-26 12:01:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-26 12:01:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-26 12:01:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-26 12:01:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 12:01:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 12:01:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-26 12:01:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-26 12:01:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-26 12:01:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-26 12:01:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-26 12:01:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-26 12:01:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-26 12:01:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-26 12:01:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-26 12:01:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-26 12:01:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-26 12:01:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-26 12:01:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-26 12:01:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-26 12:01:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-26 12:01:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-26 12:01:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 12:01:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 12:01:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-26 12:01:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-26 12:01:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-26 12:01:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:01:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 12:01:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 12:01:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 12:01:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 12:01:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 12:01:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 12:01:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 12:01:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 12:01:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 12:01:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-26 12:01:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-26 12:01:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:01:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:01:06,555 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:01:06,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:01:17,159 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:17,561 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:17,562 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:01:17,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:17 BoogieIcfgContainer [2023-11-26 12:01:17,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:17,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:17,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:17,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:17,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:03" (1/3) ... [2023-11-26 12:01:17,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2d319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:17, skipping insertion in model container [2023-11-26 12:01:17,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:04" (2/3) ... [2023-11-26 12:01:17,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2d319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:17, skipping insertion in model container [2023-11-26 12:01:17,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:17" (3/3) ... [2023-11-26 12:01:17,578 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2023-11-26 12:01:17,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:17,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:01:17,725 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:01:17,733 INFO L357 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, mHoare=true, 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;@32f9eb0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:01:17,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:01:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 2403 states, 2051 states have (on average 1.4948805460750854) internal successors, (3066), 2075 states have internal predecessors, (3066), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-26 12:01:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-26 12:01:17,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:17,772 INFO L195 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] [2023-11-26 12:01:17,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:17,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash -949429943, now seen corresponding path program 1 times [2023-11-26 12:01:17,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:17,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894140153] [2023-11-26 12:01:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:01:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:01:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:19,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:19,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894140153] [2023-11-26 12:01:19,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894140153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:19,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:19,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:19,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517424162] [2023-11-26 12:01:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:19,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:01:19,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:19,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:01:19,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:19,685 INFO L87 Difference]: Start difference. First operand has 2403 states, 2051 states have (on average 1.4948805460750854) internal successors, (3066), 2075 states have internal predecessors, (3066), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 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) [2023-11-26 12:01:24,531 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 [] [2023-11-26 12:01:28,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:32,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:41,091 INFO L93 Difference]: Finished difference Result 5504 states and 9198 transitions. [2023-11-26 12:01:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:01:41,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 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 143 [2023-11-26 12:01:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:41,156 INFO L225 Difference]: With dead ends: 5504 [2023-11-26 12:01:41,157 INFO L226 Difference]: Without dead ends: 3093 [2023-11-26 12:01:41,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:41,209 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 1780 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 1148 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 4183 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:41,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 4183 Invalid, 3413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1148 Valid, 2262 Invalid, 3 Unknown, 0 Unchecked, 20.7s Time] [2023-11-26 12:01:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2023-11-26 12:01:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 2393. [2023-11-26 12:01:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 2042 states have (on average 1.1581782566111656) internal successors, (2365), 2066 states have internal predecessors, (2365), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-26 12:01:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 2976 transitions. [2023-11-26 12:01:41,569 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 2976 transitions. Word has length 143 [2023-11-26 12:01:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:41,570 INFO L495 AbstractCegarLoop]: Abstraction has 2393 states and 2976 transitions. [2023-11-26 12:01:41,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 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) [2023-11-26 12:01:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2976 transitions. [2023-11-26 12:01:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-26 12:01:41,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:41,588 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 12:01:41,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:01:41,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:41,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:41,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1284484218, now seen corresponding path program 1 times [2023-11-26 12:01:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:41,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512395089] [2023-11-26 12:01:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:41,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:01:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:01:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:01:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 12:01:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:01:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:01:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:01:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:01:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:01:44,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:44,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512395089] [2023-11-26 12:01:44,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512395089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:44,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:44,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 12:01:44,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942957158] [2023-11-26 12:01:44,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:44,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:01:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:01:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:01:44,080 INFO L87 Difference]: Start difference. First operand 2393 states and 2976 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 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) [2023-11-26 12:01:49,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:54,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []