./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI --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 f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:47:32,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:47:32,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:47:32,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:47:32,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:47:32,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:47:32,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:47:32,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:47:32,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:47:32,260 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:47:32,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:47:32,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:47:32,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:47:32,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:47:32,264 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:47:32,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:47:32,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:47:32,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:47:32,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:47:32,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:47:32,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:47:32,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:47:32,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:47:32,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:47:32,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:47:32,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:47:32,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:47:32,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:47:32,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:47:32,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:47:32,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:47:32,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:47:32,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:47:32,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:47:32,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:47:32,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:47:32,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:47:32,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:47:32,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:47:32,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:47:32,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:47:32,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:47:32,277 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_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d [2023-11-24 21:47:32,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:47:32,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:47:32,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:47:32,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:47:32,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:47:32,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2023-11-24 21:47:35,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:47:36,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:47:36,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2023-11-24 21:47:36,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/data/b150b34f3/cbf45d794e904ad59ddb0f625fa61074/FLAG9bf1790c0 [2023-11-24 21:47:36,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/data/b150b34f3/cbf45d794e904ad59ddb0f625fa61074 [2023-11-24 21:47:36,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:47:36,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:47:36,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:47:36,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:47:36,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:47:36,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:47:36" (1/1) ... [2023-11-24 21:47:36,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470bcb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:36, skipping insertion in model container [2023-11-24 21:47:36,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:47:36" (1/1) ... [2023-11-24 21:47:36,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:47:36,671 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_03a877ea-05b2-4ae8-8afe-17af4ae78929/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c[1870,1883] [2023-11-24 21:47:37,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:47:37,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:47:37,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok2.i","-S") [42] [2023-11-24 21:47:37,415 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_03a877ea-05b2-4ae8-8afe-17af4ae78929/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c[1870,1883] [2023-11-24 21:47:37,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:47:37,761 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:47:37,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37 WrapperNode [2023-11-24 21:47:37,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:47:37,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:47:37,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:47:37,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:47:37,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:37,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,121 INFO L138 Inliner]: procedures = 99, calls = 2725, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 8386 [2023-11-24 21:47:38,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:47:38,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:47:38,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:47:38,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:47:38,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,425 INFO L175 MemorySlicer]: Split 2332 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 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 402 writes are split as follows [0, 7, 7, 7, 7, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6]. [2023-11-24 21:47:38,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:47:38,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:47:38,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:47:38,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:47:38,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (1/1) ... [2023-11-24 21:47:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:47:38,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:47:38,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:47:38,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a877ea-05b2-4ae8-8afe-17af4ae78929/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:47:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-24 21:47:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-24 21:47:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-24 21:47:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-24 21:47:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-24 21:47:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-24 21:47:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-24 21:47:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-24 21:47:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-24 21:47:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-24 21:47:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-24 21:47:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-24 21:47:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-24 21:47:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-24 21:47:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-24 21:47:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-24 21:47:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-24 21:47:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-24 21:47:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-24 21:47:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-24 21:47:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-24 21:47:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-24 21:47:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-24 21:47:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-24 21:47:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-24 21:47:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-24 21:47:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-24 21:47:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-24 21:47:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-24 21:47:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-24 21:47:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-24 21:47:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-24 21:47:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-24 21:47:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-24 21:47:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-24 21:47:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-24 21:47:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-24 21:47:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-24 21:47:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 21:47:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 21:47:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-24 21:47:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-24 21:47:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-24 21:47:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-24 21:47:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-24 21:47:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-24 21:47:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-24 21:47:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-24 21:47:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-24 21:47:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-24 21:47:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-24 21:47:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-24 21:47:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 21:47:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 21:47:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-24 21:47:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-24 21:47:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-24 21:47:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-24 21:47:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-24 21:47:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-24 21:47:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-24 21:47:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-24 21:47:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-24 21:47:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-24 21:47:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-24 21:47:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-24 21:47:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-24 21:47:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-24 21:47:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-24 21:47:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-24 21:47:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-24 21:47:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-24 21:47:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-24 21:47:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-24 21:47:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-24 21:47:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-24 21:47:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-24 21:47:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-24 21:47:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-24 21:47:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-24 21:47:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-24 21:47:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-24 21:47:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-24 21:47:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-24 21:47:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-24 21:47:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-24 21:47:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-24 21:47:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-24 21:47:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-24 21:47:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-24 21:47:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-24 21:47:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-24 21:47:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-24 21:47:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-24 21:47:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-24 21:47:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-24 21:47:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-24 21:47:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-24 21:47:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-24 21:47:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-24 21:47:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-24 21:47:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:47:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-24 21:47:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-24 21:47:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-24 21:47:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-24 21:47:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-24 21:47:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-24 21:47:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-24 21:47:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-24 21:47:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-24 21:47:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-24 21:47:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-24 21:47:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-24 21:47:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-24 21:47:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-24 21:47:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-24 21:47:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-24 21:47:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-24 21:47:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-24 21:47:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-24 21:47:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-24 21:47:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-24 21:47:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-24 21:47:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-24 21:47:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-24 21:47:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-24 21:47:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-24 21:47:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 21:47:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 21:47:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-24 21:47:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-24 21:47:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-24 21:47:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-24 21:47:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-24 21:47:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-24 21:47:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-24 21:47:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-24 21:47:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-24 21:47:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-24 21:47:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-24 21:47:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-24 21:47:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-24 21:47:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-24 21:47:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-24 21:47:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-24 21:47:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 21:47:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 21:47:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-24 21:47:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-24 21:47:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-24 21:47:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-24 21:47:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-24 21:47:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-24 21:47:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-24 21:47:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-24 21:47:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-24 21:47:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-24 21:47:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-24 21:47:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-24 21:47:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-24 21:47:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-24 21:47:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-24 21:47:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-24 21:47:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-24 21:47:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-24 21:47:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-24 21:47:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-24 21:47:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-24 21:47:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-24 21:47:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-24 21:47:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:47:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:47:39,622 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:47:39,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:47:49,515 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:47:49,842 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:47:49,843 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 21:47:49,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:47:49 BoogieIcfgContainer [2023-11-24 21:47:49,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:47:49,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:47:49,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:47:49,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:47:49,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:47:36" (1/3) ... [2023-11-24 21:47:49,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a06d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:47:49, skipping insertion in model container [2023-11-24 21:47:49,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:47:37" (2/3) ... [2023-11-24 21:47:49,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a06d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:47:49, skipping insertion in model container [2023-11-24 21:47:49,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:47:49" (3/3) ... [2023-11-24 21:47:49,856 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-2.c [2023-11-24 21:47:49,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:47:49,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 21:47:49,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:47:49,997 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;@2aa81d75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:47:49,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 21:47:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 2398 states, 2047 states have (on average 1.4948705422569615) internal successors, (3060), 2071 states have internal predecessors, (3060), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2023-11-24 21:47:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 21:47:50,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:47:50,053 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] [2023-11-24 21:47:50,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:47:50,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:47:50,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2114174958, now seen corresponding path program 1 times [2023-11-24 21:47:50,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:47:50,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046061214] [2023-11-24 21:47:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:47:50,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:47:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:47:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 21:47:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:47:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 21:47:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:47:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:47:51,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:47:51,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046061214] [2023-11-24 21:47:51,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046061214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:47:51,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:47:51,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 21:47:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834831693] [2023-11-24 21:47:51,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:47:51,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 21:47:51,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:47:51,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 21:47:51,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 21:47:51,846 INFO L87 Difference]: Start difference. First operand has 2398 states, 2047 states have (on average 1.4948705422569615) internal successors, (3060), 2071 states have internal predecessors, (3060), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) 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) [2023-11-24 21:47:56,504 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 [] [2023-11-24 21:48:00,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:48:04,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:48:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:48:12,259 INFO L93 Difference]: Finished difference Result 5491 states and 9167 transitions. [2023-11-24 21:48:12,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 21:48:12,264 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 [2023-11-24 21:48:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:48:12,339 INFO L225 Difference]: With dead ends: 5491 [2023-11-24 21:48:12,340 INFO L226 Difference]: Without dead ends: 3085 [2023-11-24 21:48:12,384 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 [2023-11-24 21:48:12,389 INFO L413 NwaCegarLoop]: 2450 mSDtfsCounter, 1766 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 1140 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 3401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1140 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2023-11-24 21:48:12,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4218 Invalid, 3401 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1140 Valid, 2258 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2023-11-24 21:48:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2023-11-24 21:48:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2388. [2023-11-24 21:48:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2388 states, 2038 states have (on average 1.1575073601570167) internal successors, (2359), 2062 states have internal predecessors, (2359), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (303), 293 states have call predecessors, (303), 303 states have call successors, (303) [2023-11-24 21:48:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2966 transitions. [2023-11-24 21:48:12,805 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2966 transitions. Word has length 143 [2023-11-24 21:48:12,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:48:12,806 INFO L495 AbstractCegarLoop]: Abstraction has 2388 states and 2966 transitions. [2023-11-24 21:48:12,806 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) [2023-11-24 21:48:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2966 transitions. [2023-11-24 21:48:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-24 21:48:12,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:48:12,830 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] [2023-11-24 21:48:12,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 21:48:12,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:48:12,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:48:12,831 INFO L85 PathProgramCache]: Analyzing trace with hash 463913856, now seen corresponding path program 1 times [2023-11-24 21:48:12,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:48:12,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768412117] [2023-11-24 21:48:12,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:48:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:48:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 21:48:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 21:48:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-24 21:48:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-24 21:48:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-24 21:48:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-24 21:48:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-24 21:48:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-24 21:48:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:48:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 21:48:15,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:48:15,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768412117] [2023-11-24 21:48:15,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768412117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:48:15,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:48:15,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-24 21:48:15,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417779727] [2023-11-24 21:48:15,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:48:15,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 21:48:15,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:48:15,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 21:48:15,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-24 21:48:15,197 INFO L87 Difference]: Start difference. First operand 2388 states and 2966 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) [2023-11-24 21:48:20,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:48:24,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:48:28,970 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 []