./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/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 cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:10,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:10,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:51:10,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:10,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:10,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:10,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:10,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:10,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:10,542 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:10,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:51:10,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:51:10,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:10,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:10,546 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:10,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:10,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:51:10,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:51:10,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:10,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:51:10,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:10,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:51:10,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:51:10,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:51:10,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:51:10,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:10,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:10,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:10,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:10,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:51:10,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:51:10,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:10,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:10,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:51:10,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:51:10,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:10,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:51:10,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:51:10,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:51:10,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:51:10,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:51:10,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:51:10,558 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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2023-11-26 11:51:10,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:10,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:10,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:10,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:10,935 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:10,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-11-26 11:51:14,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:14,663 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:14,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-11-26 11:51:14,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/data/e42223613/4f4f3312b9ed487fa7796270a2d32824/FLAG3daa7fba5 [2023-11-26 11:51:14,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/data/e42223613/4f4f3312b9ed487fa7796270a2d32824 [2023-11-26 11:51:14,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:14,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:14,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:14,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:14,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:14,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:14" (1/1) ... [2023-11-26 11:51:14,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adfe83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:14, skipping insertion in model container [2023-11-26 11:51:14,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:14" (1/1) ... [2023-11-26 11:51:14,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:15,076 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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-11-26 11:51:15,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:15,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:15,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] [2023-11-26 11:51:15,898 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_e19ffd34-5aab-4d98-b761-d7f6fbef1753/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-11-26 11:51:16,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:16,352 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:16,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16 WrapperNode [2023-11-26 11:51:16,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:16,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:16,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:16,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:16,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,727 INFO L138 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8419 [2023-11-26 11:51:16,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:16,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:16,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:16,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:16,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,991 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]. [2023-11-26 11:51:16,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:16,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:17,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:17,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:17,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:17,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (1/1) ... [2023-11-26 11:51:17,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:17,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:17,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:17,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19ffd34-5aab-4d98-b761-d7f6fbef1753/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-26 11:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-26 11:51:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-26 11:51:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-26 11:51:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:51:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:51:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:51:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:51:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:51:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:51:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:51:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:51:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:51:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:51:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:51:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:51:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 11:51:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 11:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 11:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 11:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 11:51:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 11:51:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 11:51:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 11:51:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 11:51:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 11:51:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:51:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:51:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-26 11:51:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-26 11:51:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-26 11:51:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-26 11:51:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-26 11:51:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-26 11:51:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-26 11:51:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-26 11:51:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-26 11:51:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-26 11:51:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-26 11:51:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-26 11:51:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:51:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:51:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:51:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:51:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:51:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:51:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:51:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:51:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:51:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:51:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 11:51:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 11:51:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 11:51:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 11:51:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 11:51:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-26 11:51:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-26 11:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-26 11:51:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-26 11:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-26 11:51:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-26 11:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-26 11:51:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-26 11:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-26 11:51:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-26 11:51:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-26 11:51:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-26 11:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-26 11:51:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-26 11:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:51:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-26 11:51:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-26 11:51:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-26 11:51:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-26 11:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-26 11:51:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-26 11:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-26 11:51:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-26 11:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-26 11:51:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-26 11:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-26 11:51:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-26 11:51:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-26 11:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-26 11:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-26 11:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-26 11:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-26 11:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-26 11:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-26 11:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-26 11:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-26 11:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-26 11:51:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-26 11:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-26 11:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-26 11:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-26 11:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-26 11:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-26 11:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-26 11:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-26 11:51:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-26 11:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-26 11:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-26 11:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-26 11:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-26 11:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-26 11:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-26 11:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-26 11:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-26 11:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-26 11:51:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-26 11:51:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:51:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-26 11:51:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:51:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:51:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:51:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 11:51:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 11:51:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 11:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 11:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 11:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-26 11:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-26 11:51:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:18,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:18,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:28,148 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:28,520 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:28,520 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:51:28,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:28 BoogieIcfgContainer [2023-11-26 11:51:28,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:28,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:51:28,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:51:28,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:51:28,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:14" (1/3) ... [2023-11-26 11:51:28,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e074ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:28, skipping insertion in model container [2023-11-26 11:51:28,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:16" (2/3) ... [2023-11-26 11:51:28,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e074ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:28, skipping insertion in model container [2023-11-26 11:51:28,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:28" (3/3) ... [2023-11-26 11:51:28,535 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2023-11-26 11:51:28,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:51:28,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:51:28,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:51:28,694 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;@cc88bf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:51:28,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:51:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) [2023-11-26 11:51:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-26 11:51:28,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:28,734 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 11:51:28,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:28,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash -233935724, now seen corresponding path program 1 times [2023-11-26 11:51:28,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:28,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844598616] [2023-11-26 11:51:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 11:51:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:51:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:30,304 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 11:51:30,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:30,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844598616] [2023-11-26 11:51:30,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844598616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:30,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:30,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:51:30,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443288797] [2023-11-26 11:51:30,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:30,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:51:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:51:30,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:51:30,363 INFO L87 Difference]: Start difference. First operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) 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 11:51:35,426 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 11:51:39,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:51:43,497 WARN L539 Checker$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 11:51:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:52,788 INFO L93 Difference]: Finished difference Result 5480 states and 9156 transitions. [2023-11-26 11:51:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:51:52,791 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 11:51:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:51:52,865 INFO L225 Difference]: With dead ends: 5480 [2023-11-26 11:51:52,866 INFO L226 Difference]: Without dead ends: 3081 [2023-11-26 11:51:52,914 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 11:51:52,919 INFO L413 NwaCegarLoop]: 2258 mSDtfsCounter, 1106 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 682 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 4997 SdHoareTripleChecker+Invalid, 3807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:51:52,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 4997 Invalid, 3807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [682 Valid, 3122 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2023-11-26 11:51:52,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2023-11-26 11:51:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2381. [2023-11-26 11:51:53,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2034 states have (on average 1.1573254670599804) internal successors, (2354), 2058 states have internal predecessors, (2354), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2023-11-26 11:51:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2957 transitions. [2023-11-26 11:51:53,220 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2957 transitions. Word has length 143 [2023-11-26 11:51:53,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:51:53,220 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 2957 transitions. [2023-11-26 11:51:53,221 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 11:51:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2957 transitions. [2023-11-26 11:51:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-26 11:51:53,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:53,232 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 11:51:53,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:51:53,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:53,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1236812142, now seen corresponding path program 1 times [2023-11-26 11:51:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838388434] [2023-11-26 11:51:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 11:51:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:51:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:51:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:51:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 11:51:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:51:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:51:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:51:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,433 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 11:51:55,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:55,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838388434] [2023-11-26 11:51:55,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838388434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:55,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:55,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 11:51:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245263051] [2023-11-26 11:51:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:55,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:51:55,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:51:55,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:51:55,442 INFO L87 Difference]: Start difference. First operand 2381 states and 2957 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 11:52:00,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:52:04,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []