./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/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_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/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_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:50:00,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:50:00,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:50:00,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:50:00,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:50:00,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:50:00,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:50:00,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:50:00,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:50:00,714 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:50:00,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:50:00,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:50:00,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:50:00,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:50:00,719 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:50:00,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:50:00,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:50:00,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:50:00,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:50:00,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:50:00,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:50:00,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:50:00,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:50:00,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:50:00,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:50:00,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:50:00,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:50:00,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:50:00,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:50:00,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:50:00,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:50:00,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:50:00,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:50:00,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:50:00,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:50:00,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:50:00,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:50:00,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:50:00,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:50:00,733 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:50:00,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:50:00,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:50:00,734 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_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2023-11-24 21:50:01,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:50:01,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:50:01,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:50:01,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:50:01,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:50:01,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-24 21:50:04,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:50:04,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:50:04,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-24 21:50:04,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/data/45f90da74/56207d8f768c41c8b6ed536c607a7769/FLAG5bd091ca0 [2023-11-24 21:50:04,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/data/45f90da74/56207d8f768c41c8b6ed536c607a7769 [2023-11-24 21:50:04,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:50:04,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:50:04,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:50:04,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:50:04,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:50:04,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:50:04" (1/1) ... [2023-11-24 21:50:04,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8e866c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:04, skipping insertion in model container [2023-11-24 21:50:04,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:50:04" (1/1) ... [2023-11-24 21:50:04,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:50:05,246 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_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2023-11-24 21:50:05,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:50:06,007 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:50:06,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2023-11-24 21:50:06,029 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_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2023-11-24 21:50:06,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:50:06,522 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:50:06,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06 WrapperNode [2023-11-24 21:50:06,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:50:06,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:50:06,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:50:06,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:50:06,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:06,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,022 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8412 [2023-11-24 21:50:07,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:50:07,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:50:07,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:50:07,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:50:07,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,279 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 21:50:07,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:50:07,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:50:07,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:50:07,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:50:07,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (1/1) ... [2023-11-24 21:50:07,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:50:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:50:07,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:50:07,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90775c8-4a0a-4e33-bbb1-ca3f3660b7d3/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:50:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-24 21:50:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-24 21:50:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-24 21:50:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-24 21:50:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-24 21:50:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-24 21:50:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-24 21:50:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-24 21:50:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-24 21:50:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-24 21:50:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-24 21:50:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-24 21:50:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-24 21:50:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-24 21:50:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-24 21:50:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-24 21:50:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-24 21:50:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-24 21:50:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-24 21:50:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-24 21:50:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-24 21:50:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-24 21:50:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-24 21:50:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-24 21:50:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-24 21:50:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-24 21:50:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-24 21:50:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-24 21:50:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-24 21:50:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-24 21:50:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-24 21:50:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-24 21:50:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-24 21:50:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-24 21:50:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-24 21:50:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-24 21:50:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-24 21:50:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-24 21:50:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-24 21:50:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-24 21:50:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-24 21:50:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-24 21:50:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-24 21:50:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-24 21:50:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-24 21:50:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-24 21:50:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-24 21:50:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-24 21:50:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-24 21:50:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-24 21:50:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-24 21:50:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-24 21:50:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-24 21:50:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 21:50:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 21:50:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-24 21:50:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-24 21:50:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-24 21:50:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-24 21:50:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-24 21:50:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-24 21:50:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-24 21:50:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-24 21:50:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-24 21:50:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-24 21:50:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-24 21:50:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-24 21:50:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 21:50:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 21:50:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-24 21:50:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-24 21:50:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-24 21:50:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-24 21:50:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-24 21:50:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-24 21:50:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-24 21:50:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-24 21:50:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-24 21:50:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-24 21:50:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-24 21:50:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-24 21:50:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-24 21:50:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-24 21:50:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-24 21:50:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-24 21:50:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-24 21:50:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-24 21:50:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-24 21:50:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-24 21:50:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-24 21:50:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-24 21:50:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-24 21:50:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-24 21:50:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-24 21:50:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-24 21:50:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-24 21:50:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-24 21:50:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-24 21:50:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-24 21:50:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-24 21:50:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-24 21:50:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-24 21:50:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-24 21:50:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-24 21:50:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-24 21:50:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-24 21:50:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-24 21:50:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-24 21:50:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-24 21:50:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-24 21:50:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-24 21:50:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-24 21:50:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-24 21:50:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-24 21:50:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-24 21:50:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-24 21:50:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-24 21:50:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:50:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-24 21:50:07,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-24 21:50:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-24 21:50:07,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-24 21:50:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-24 21:50:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-24 21:50:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-24 21:50:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-24 21:50:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-24 21:50:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-24 21:50:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-24 21:50:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-24 21:50:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-24 21:50:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-24 21:50:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-24 21:50:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-24 21:50:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-24 21:50:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-24 21:50:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-24 21:50:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-24 21:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-24 21:50:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-24 21:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-24 21:50:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-24 21:50:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-24 21:50:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-24 21:50:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 21:50:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 21:50:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-24 21:50:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-24 21:50:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-24 21:50:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-24 21:50:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-24 21:50:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-24 21:50:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-24 21:50:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-24 21:50:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-24 21:50:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-24 21:50:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-24 21:50:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-24 21:50:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-24 21:50:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-24 21:50:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-24 21:50:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-24 21:50:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 21:50:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 21:50:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-24 21:50:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-24 21:50:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-24 21:50:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-24 21:50:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-24 21:50:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-24 21:50:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-24 21:50:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-24 21:50:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-24 21:50:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-24 21:50:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-24 21:50:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-24 21:50:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-24 21:50:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-24 21:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-24 21:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-24 21:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-24 21:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-24 21:50:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-24 21:50:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:50:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:50:08,620 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:50:08,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:50:18,314 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:50:18,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:50:18,678 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 21:50:18,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:50:18 BoogieIcfgContainer [2023-11-24 21:50:18,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:50:18,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:50:18,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:50:18,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:50:18,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:50:04" (1/3) ... [2023-11-24 21:50:18,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c9ff09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:50:18, skipping insertion in model container [2023-11-24 21:50:18,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:50:06" (2/3) ... [2023-11-24 21:50:18,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c9ff09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:50:18, skipping insertion in model container [2023-11-24 21:50:18,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:50:18" (3/3) ... [2023-11-24 21:50:18,693 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2023-11-24 21:50:18,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:50:18,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 21:50:18,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:50:18,846 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;@5aca111e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:50:18,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 21:50:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 2402 states, 2051 states have (on average 1.4953681131155534) internal successors, (3067), 2075 states have internal predecessors, (3067), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-24 21:50:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 21:50:18,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:50:18,902 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 21:50:18,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:50:18,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:50:18,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1681713463, now seen corresponding path program 1 times [2023-11-24 21:50:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:50:18,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157396110] [2023-11-24 21:50:18,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:50:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:50:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 21:50:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 21:50:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:20,624 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 21:50:20,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:50:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157396110] [2023-11-24 21:50:20,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157396110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:50:20,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:50:20,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 21:50:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487590067] [2023-11-24 21:50:20,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:50:20,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 21:50:20,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:50:20,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 21:50:20,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 21:50:20,691 INFO L87 Difference]: Start difference. First operand has 2402 states, 2051 states have (on average 1.4953681131155534) internal successors, (3067), 2075 states have internal predecessors, (3067), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) 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 21:50:25,314 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 21:50:29,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:50:33,358 WARN L539 Checker$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 21:50:40,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:50:40,877 INFO L93 Difference]: Finished difference Result 5505 states and 9203 transitions. [2023-11-24 21:50:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 21:50:40,879 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 21:50:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:50:40,943 INFO L225 Difference]: With dead ends: 5505 [2023-11-24 21:50:40,944 INFO L226 Difference]: Without dead ends: 3095 [2023-11-24 21:50:40,985 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 21:50:40,990 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 1765 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 1210 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 3481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-11-24 21:50:40,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 4063 Invalid, 3481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1210 Valid, 2268 Invalid, 3 Unknown, 0 Unchecked, 19.6s Time] [2023-11-24 21:50:41,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2023-11-24 21:50:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 2392. [2023-11-24 21:50:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2042 states have (on average 1.158667972575906) internal successors, (2366), 2066 states have internal predecessors, (2366), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2023-11-24 21:50:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 2975 transitions. [2023-11-24 21:50:41,359 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 2975 transitions. Word has length 143 [2023-11-24 21:50:41,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:50:41,359 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 2975 transitions. [2023-11-24 21:50:41,360 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 21:50:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2975 transitions. [2023-11-24 21:50:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-24 21:50:41,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:50:41,371 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 21:50:41,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 21:50:41,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:50:41,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:50:41,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2073990294, now seen corresponding path program 1 times [2023-11-24 21:50:41,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:50:41,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035636587] [2023-11-24 21:50:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:50:41,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:50:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 21:50:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 21:50:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-24 21:50:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-24 21:50:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-24 21:50:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-24 21:50:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-24 21:50:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-24 21:50:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:50:43,662 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 21:50:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:50:43,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035636587] [2023-11-24 21:50:43,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035636587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:50:43,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:50:43,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-24 21:50:43,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922984363] [2023-11-24 21:50:43,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:50:43,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 21:50:43,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:50:43,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 21:50:43,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-24 21:50:43,667 INFO L87 Difference]: Start difference. First operand 2392 states and 2975 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 21:50:48,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:50:52,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 21:50:57,005 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 []