./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/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_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/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_d7880a54-db70-4d0b-af31-15d440eb1d54/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 f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:56,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:56,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:55:56,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:56,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:56,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:56,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:56,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:56,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:56,908 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:56,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:56,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:56,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:56,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:56,912 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:56,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:56,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:56,914 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:55:56,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:56,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:55:56,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:56,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:56,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:56,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:56,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:55:56,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:56,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:56,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:56,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:56,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:56,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:56,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:56,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:56,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:56,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:56,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:56,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:56,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:56,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:56,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:56,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:56,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:56,928 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_d7880a54-db70-4d0b-af31-15d440eb1d54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d [2023-11-26 11:55:57,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:57,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:57,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:57,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:57,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:57,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2023-11-26 11:56:00,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:00,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:00,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2023-11-26 11:56:00,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/data/465f46b9f/f596981ca2604134a17f500b05b99e3d/FLAG56235f9bd [2023-11-26 11:56:01,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/data/465f46b9f/f596981ca2604134a17f500b05b99e3d [2023-11-26 11:56:01,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:01,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:01,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:01,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:01,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:01,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a841a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:01, skipping insertion in model container [2023-11-26 11:56:01,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:01" (1/1) ... [2023-11-26 11:56:01,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:01,356 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_d7880a54-db70-4d0b-af31-15d440eb1d54/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c[1870,1883] [2023-11-26 11:56:02,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:02,196 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:02,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok2.i","-S") [42] [2023-11-26 11:56:02,221 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_d7880a54-db70-4d0b-af31-15d440eb1d54/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c[1870,1883] [2023-11-26 11:56:02,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:02,592 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:02,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02 WrapperNode [2023-11-26 11:56:02,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:02,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:02,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:02,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:02,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:02,989 INFO L138 Inliner]: procedures = 99, calls = 2725, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 8386 [2023-11-26 11:56:02,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:02,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:02,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:02,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:03,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,223 INFO L175 MemorySlicer]: Split 2332 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46]. 4 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 402 writes are split as follows [0, 7, 7, 7, 7, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6]. [2023-11-26 11:56:03,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:03,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:03,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:03,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:03,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (1/1) ... [2023-11-26 11:56:03,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:03,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:03,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:03,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7880a54-db70-4d0b-af31-15d440eb1d54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-26 11:56:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-26 11:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-26 11:56:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-26 11:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 11:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 11:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 11:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 11:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 11:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 11:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 11:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 11:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 11:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 11:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 11:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 11:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 11:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 11:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 11:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 11:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 11:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 11:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 11:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 11:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 11:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:56:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-26 11:56:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-26 11:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-26 11:56:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-26 11:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-26 11:56:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-26 11:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-26 11:56:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-26 11:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-26 11:56:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-26 11:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-26 11:56:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-26 11:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:56:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:56:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:56:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:56:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:56:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:56:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:56:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:56:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:56:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:56:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:56:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:56:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:56:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:56:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:56:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:56:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:56:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:56:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:56:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:56:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:56:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:56:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:56:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 11:56:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 11:56:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 11:56:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 11:56:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 11:56:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 11:56:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 11:56:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 11:56:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 11:56:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 11:56:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 11:56:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 11:56:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 11:56:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 11:56:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 11:56:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 11:56:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 11:56:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 11:56:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 11:56:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 11:56:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 11:56:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 11:56:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 11:56:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-26 11:56:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-26 11:56:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-26 11:56:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-26 11:56:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-26 11:56:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-26 11:56:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-26 11:56:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-26 11:56:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-26 11:56:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-26 11:56:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-26 11:56:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-26 11:56:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-26 11:56:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-26 11:56:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:56:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:56:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-26 11:56:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-26 11:56:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-26 11:56:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-26 11:56:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-26 11:56:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-26 11:56:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-26 11:56:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-26 11:56:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-26 11:56:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-26 11:56:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-26 11:56:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-26 11:56:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-26 11:56:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-26 11:56:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-26 11:56:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-26 11:56:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-26 11:56:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-26 11:56:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-26 11:56:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-26 11:56:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-26 11:56:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-26 11:56:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:56:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:56:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-26 11:56:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-26 11:56:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-26 11:56:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-26 11:56:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-26 11:56:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-26 11:56:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-26 11:56:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-26 11:56:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-26 11:56:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-26 11:56:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-26 11:56:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-26 11:56:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-26 11:56:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-26 11:56:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-26 11:56:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-26 11:56:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 11:56:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 11:56:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-26 11:56:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-26 11:56:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-26 11:56:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-26 11:56:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:56:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:56:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-26 11:56:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-11-26 11:56:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:56:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:56:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:56:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:56:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:56:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:56:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:56:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:56:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 11:56:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 11:56:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 11:56:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 11:56:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 11:56:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 11:56:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-26 11:56:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-26 11:56:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:04,621 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:04,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:15,120 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:15,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:15,443 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:56:15,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:15 BoogieIcfgContainer [2023-11-26 11:56:15,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:15,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:15,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:15,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:15,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:01" (1/3) ... [2023-11-26 11:56:15,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574da38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:15, skipping insertion in model container [2023-11-26 11:56:15,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:02" (2/3) ... [2023-11-26 11:56:15,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574da38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:15, skipping insertion in model container [2023-11-26 11:56:15,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:15" (3/3) ... [2023-11-26 11:56:15,456 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-2.c [2023-11-26 11:56:15,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:15,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:56:15,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:15,594 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;@477ffb13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:15,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:56:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 2398 states, 2047 states have (on average 1.4948705422569615) internal successors, (3060), 2071 states have internal predecessors, (3060), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2023-11-26 11:56:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-26 11:56:15,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:15,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:15,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:15,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:15,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2114174958, now seen corresponding path program 1 times [2023-11-26 11:56:15,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:15,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600956484] [2023-11-26 11:56:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 11:56:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:17,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:17,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600956484] [2023-11-26 11:56:17,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600956484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:17,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:17,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:17,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403576669] [2023-11-26 11:56:17,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:17,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:56:17,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:17,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:56:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:17,302 INFO L87 Difference]: Start difference. First operand has 2398 states, 2047 states have (on average 1.4948705422569615) internal successors, (3060), 2071 states have internal predecessors, (3060), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:56:21,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:25,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:29,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:37,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:37,738 INFO L93 Difference]: Finished difference Result 5491 states and 9167 transitions. [2023-11-26 11:56:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:56:37,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 143 [2023-11-26 11:56:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:37,790 INFO L225 Difference]: With dead ends: 5491 [2023-11-26 11:56:37,790 INFO L226 Difference]: Without dead ends: 3085 [2023-11-26 11:56:37,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:56:37,828 INFO L413 NwaCegarLoop]: 2315 mSDtfsCounter, 1766 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 1192 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4073 SdHoareTripleChecker+Invalid, 3453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:37,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4073 Invalid, 3453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1192 Valid, 2258 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2023-11-26 11:56:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2023-11-26 11:56:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2388. [2023-11-26 11:56:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2388 states, 2038 states have (on average 1.1575073601570167) internal successors, (2359), 2062 states have internal predecessors, (2359), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (303), 293 states have call predecessors, (303), 303 states have call successors, (303) [2023-11-26 11:56:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2966 transitions. [2023-11-26 11:56:38,126 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2966 transitions. Word has length 143 [2023-11-26 11:56:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:38,127 INFO L495 AbstractCegarLoop]: Abstraction has 2388 states and 2966 transitions. [2023-11-26 11:56:38,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:56:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2966 transitions. [2023-11-26 11:56:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-26 11:56:38,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:38,152 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:38,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:56:38,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:38,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash 463913856, now seen corresponding path program 1 times [2023-11-26 11:56:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:38,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104236356] [2023-11-26 11:56:38,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:38,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 11:56:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:56:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:56:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 11:56:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:56:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:56:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:56:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:56:40,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:40,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104236356] [2023-11-26 11:56:40,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104236356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:40,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:40,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 11:56:40,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432586406] [2023-11-26 11:56:40,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:40,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:56:40,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:40,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:56:40,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:56:40,312 INFO L87 Difference]: Start difference. First operand 2388 states and 2966 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 11:56:45,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:49,842 WARN L539 Checker$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 11:56:53,866 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 []