./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/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 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:36,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:36,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:03:36,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:36,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:36,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:36,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:36,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:36,868 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:36,869 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:36,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:36,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:36,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:36,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:36,872 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:36,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:36,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:36,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:36,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:36,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:36,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:36,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:36,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:36,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:36,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:36,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:36,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:36,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:36,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:36,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:36,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:36,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:36,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:36,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:36,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:36,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:36,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:03:36,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:36,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:36,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:36,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:36,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:36,887 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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 [2023-11-26 12:03:37,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:37,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:37,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:37,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:37,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:37,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2023-11-26 12:03:40,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:40,821 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:40,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2023-11-26 12:03:40,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/data/6a66a9a3e/1dc59d37258b4d968b499b1391ebf199/FLAGe7525fc60 [2023-11-26 12:03:40,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/data/6a66a9a3e/1dc59d37258b4d968b499b1391ebf199 [2023-11-26 12:03:40,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:40,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:40,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:40,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:40,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:40,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:40" (1/1) ... [2023-11-26 12:03:40,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a26879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:40, skipping insertion in model container [2023-11-26 12:03:40,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:40" (1/1) ... [2023-11-26 12:03:41,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:41,256 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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2023-11-26 12:03:41,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:41,954 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:41,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok3.i","-S") [42] [2023-11-26 12:03:41,973 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_72d1a680-8977-4d0d-b1de-b455a7e75aa1/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2023-11-26 12:03:42,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:42,302 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:42,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42 WrapperNode [2023-11-26 12:03:42,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:42,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:42,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:42,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:42,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:42,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:42,753 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8541 [2023-11-26 12:03:42,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:42,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:42,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:42,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:42,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:42,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:42,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,030 INFO L175 MemorySlicer]: Split 2420 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46, 53, 46]. 4 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 446 writes are split as follows [0, 7, 7, 7, 7, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6, 13, 6]. [2023-11-26 12:03:43,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:43,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:43,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:43,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:43,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (1/1) ... [2023-11-26 12:03:43,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:43,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:43,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:43,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d1a680-8977-4d0d-b1de-b455a7e75aa1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-26 12:03:43,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-26 12:03:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-26 12:03:43,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-26 12:03:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:03:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:03:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:03:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:03:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:03:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:03:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:03:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:03:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 12:03:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 12:03:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 12:03:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 12:03:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 12:03:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 12:03:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 12:03:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 12:03:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 12:03:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 12:03:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 12:03:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 12:03:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 12:03:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-26 12:03:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-26 12:03:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-26 12:03:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-26 12:03:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-26 12:03:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-26 12:03:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-26 12:03:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-26 12:03:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-26 12:03:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-26 12:03:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-26 12:03:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-26 12:03:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 12:03:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 12:03:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:03:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 12:03:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 12:03:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 12:03:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 12:03:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 12:03:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 12:03:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 12:03:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 12:03:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 12:03:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-26 12:03:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-26 12:03:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-26 12:03:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-26 12:03:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-26 12:03:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-26 12:03:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-26 12:03:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-26 12:03:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-26 12:03:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-26 12:03:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-26 12:03:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-26 12:03:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-26 12:03:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-26 12:03:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-26 12:03:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-26 12:03:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-26 12:03:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-26 12:03:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-26 12:03:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-26 12:03:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-26 12:03:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-26 12:03:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-26 12:03:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-26 12:03:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-26 12:03:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-26 12:03:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-26 12:03:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-26 12:03:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-26 12:03:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-26 12:03:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-26 12:03:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-26 12:03:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-26 12:03:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-26 12:03:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-26 12:03:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-26 12:03:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-26 12:03:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-26 12:03:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 12:03:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 12:03:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-26 12:03:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-26 12:03:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-26 12:03:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-26 12:03:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-26 12:03:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-26 12:03:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-26 12:03:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-26 12:03:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-26 12:03:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-26 12:03:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-26 12:03:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-26 12:03:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-26 12:03:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-26 12:03:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-26 12:03:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-26 12:03:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 12:03:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 12:03:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-26 12:03:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-26 12:03:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-26 12:03:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-26 12:03:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-26 12:03:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-26 12:03:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:03:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:03:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 12:03:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 12:03:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 12:03:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 12:03:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 12:03:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 12:03:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 12:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 12:03:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-26 12:03:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-26 12:03:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:44,233 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:44,236 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:54,876 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:55,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:55,265 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:03:55,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:55 BoogieIcfgContainer [2023-11-26 12:03:55,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:55,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:55,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:55,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:55,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:40" (1/3) ... [2023-11-26 12:03:55,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b546b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:55, skipping insertion in model container [2023-11-26 12:03:55,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:42" (2/3) ... [2023-11-26 12:03:55,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b546b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:55, skipping insertion in model container [2023-11-26 12:03:55,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:55" (3/3) ... [2023-11-26 12:03:55,280 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2023-11-26 12:03:55,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:55,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:03:55,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:55,446 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;@29f6502b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:55,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:03:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 2403 states, 2051 states have (on average 1.4948805460750854) internal successors, (3066), 2075 states have internal predecessors, (3066), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-26 12:03:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-26 12:03:55,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:55,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:55,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:55,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash -949429943, now seen corresponding path program 1 times [2023-11-26 12:03:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:55,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485768096] [2023-11-26 12:03:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:03:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:03:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:57,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:57,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485768096] [2023-11-26 12:03:57,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485768096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:57,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:57,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:03:57,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283373369] [2023-11-26 12:03:57,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:57,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:03:57,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:57,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:03:57,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:03:57,566 INFO L87 Difference]: Start difference. First operand has 2403 states, 2051 states have (on average 1.4948805460750854) internal successors, (3066), 2075 states have internal predecessors, (3066), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:04:02,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:06,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:10,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:19,517 INFO L93 Difference]: Finished difference Result 5504 states and 9200 transitions. [2023-11-26 12:04:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:04:19,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 143 [2023-11-26 12:04:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:19,635 INFO L225 Difference]: With dead ends: 5504 [2023-11-26 12:04:19,636 INFO L226 Difference]: Without dead ends: 3093 [2023-11-26 12:04:19,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:19,698 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 1817 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 1222 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 4039 SdHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1222 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:19,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 4039 Invalid, 3435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1222 Valid, 2210 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2023-11-26 12:04:19,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2023-11-26 12:04:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 2393. [2023-11-26 12:04:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 2042 states have (on average 1.1581782566111656) internal successors, (2365), 2066 states have internal predecessors, (2365), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-26 12:04:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 2976 transitions. [2023-11-26 12:04:20,115 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 2976 transitions. Word has length 143 [2023-11-26 12:04:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:20,115 INFO L495 AbstractCegarLoop]: Abstraction has 2393 states and 2976 transitions. [2023-11-26 12:04:20,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:04:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2976 transitions. [2023-11-26 12:04:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-26 12:04:20,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:20,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:20,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:04:20,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:20,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1284484218, now seen corresponding path program 1 times [2023-11-26 12:04:20,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:20,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248742048] [2023-11-26 12:04:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:04:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:04:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 12:04:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:04:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:04:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:04:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:04:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:04:22,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:22,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248742048] [2023-11-26 12:04:22,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248742048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:22,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:22,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 12:04:22,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744775347] [2023-11-26 12:04:22,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:22,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:04:22,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:22,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:04:22,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:04:22,595 INFO L87 Difference]: Start difference. First operand 2393 states and 2976 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 12:04:28,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:32,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []