./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:00:40,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:00:40,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 22:00:40,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:00:40,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:00:40,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:00:40,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:00:40,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:00:40,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 22:00:40,141 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 22:00:40,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:00:40,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:00:40,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:00:40,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:00:40,145 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:00:40,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:00:40,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:00:40,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:00:40,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:00:40,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:00:40,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:00:40,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:00:40,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:00:40,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:00:40,152 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:00:40,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:00:40,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:00:40,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:00:40,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:00:40,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:00:40,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:00:40,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:00:40,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:00:40,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:00:40,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:00:40,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:00:40,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:00:40,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:00:40,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 22:00:40,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:00:40,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 22:00:40,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:00:40,160 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_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2023-11-24 22:00:40,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:00:40,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:00:40,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:00:40,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:00:40,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:00:40,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2023-11-24 22:00:43,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:00:44,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:00:44,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2023-11-24 22:00:44,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/data/dd7dcfee6/c087cc14f0fa42d0a512d1d2ad19e556/FLAG61f56fb28 [2023-11-24 22:00:44,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/data/dd7dcfee6/c087cc14f0fa42d0a512d1d2ad19e556 [2023-11-24 22:00:44,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:00:44,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:00:44,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:00:44,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:00:44,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:00:44,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:00:44" (1/1) ... [2023-11-24 22:00:44,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a10543e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:44, skipping insertion in model container [2023-11-24 22:00:44,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:00:44" (1/1) ... [2023-11-24 22:00:44,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:00:44,519 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_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2023-11-24 22:00:45,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:00:45,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:00:45,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok4.i","-S") [42] [2023-11-24 22:00:45,411 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_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2023-11-24 22:00:45,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:00:45,899 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:00:45,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45 WrapperNode [2023-11-24 22:00:45,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:00:45,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:00:45,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:00:45,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:00:45,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,307 INFO L138 Inliner]: procedures = 99, calls = 2906, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8677 [2023-11-24 22:00:46,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:00:46,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:00:46,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:00:46,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:00:46,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,583 INFO L175 MemorySlicer]: Split 2508 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46, 57, 46]. 3 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 490 writes are split as follows [0, 7, 7, 7, 7, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6, 15, 6]. [2023-11-24 22:00:46,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:00:46,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:00:46,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:00:46,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:00:46,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (1/1) ... [2023-11-24 22:00:46,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:00:46,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:00:47,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 22:00:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-24 22:00:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-24 22:00:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-24 22:00:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-24 22:00:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-24 22:00:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-24 22:00:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-24 22:00:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-24 22:00:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-24 22:00:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-24 22:00:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-24 22:00:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-24 22:00:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-24 22:00:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-24 22:00:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-24 22:00:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-24 22:00:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-24 22:00:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-24 22:00:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-24 22:00:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-24 22:00:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-24 22:00:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-24 22:00:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-24 22:00:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-24 22:00:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-24 22:00:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-24 22:00:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-24 22:00:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-24 22:00:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-24 22:00:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-24 22:00:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-24 22:00:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 22:00:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-24 22:00:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-24 22:00:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-24 22:00:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-24 22:00:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-24 22:00:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-24 22:00:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-24 22:00:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-24 22:00:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-24 22:00:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-24 22:00:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-24 22:00:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-24 22:00:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-24 22:00:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 22:00:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-24 22:00:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-24 22:00:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-24 22:00:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-24 22:00:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-24 22:00:47,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d59284-ef4a-4083-aa8e-c6b058d4dc1a/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 22:00:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-24 22:00:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-24 22:00:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-24 22:00:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-24 22:00:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-24 22:00:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-24 22:00:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-24 22:00:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-24 22:00:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-24 22:00:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-24 22:00:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-24 22:00:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-24 22:00:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-24 22:00:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-24 22:00:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-24 22:00:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-24 22:00:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-24 22:00:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-24 22:00:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-24 22:00:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-24 22:00:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-24 22:00:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-24 22:00:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-24 22:00:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-24 22:00:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-24 22:00:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-24 22:00:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-24 22:00:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-24 22:00:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-24 22:00:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-24 22:00:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-24 22:00:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-24 22:00:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-24 22:00:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-24 22:00:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-24 22:00:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-24 22:00:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-24 22:00:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-24 22:00:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-24 22:00:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:00:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-24 22:00:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-24 22:00:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-24 22:00:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-24 22:00:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-24 22:00:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-24 22:00:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-24 22:00:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-24 22:00:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-24 22:00:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-24 22:00:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-24 22:00:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-24 22:00:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-24 22:00:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-24 22:00:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-24 22:00:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-24 22:00:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-24 22:00:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-24 22:00:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-24 22:00:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-24 22:00:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-24 22:00:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-24 22:00:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-24 22:00:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-24 22:00:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-24 22:00:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-24 22:00:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 22:00:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-24 22:00:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-24 22:00:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-24 22:00:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-24 22:00:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-24 22:00:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-24 22:00:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-24 22:00:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-24 22:00:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-24 22:00:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-24 22:00:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-24 22:00:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-24 22:00:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-24 22:00:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-24 22:00:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-24 22:00:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-24 22:00:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-24 22:00:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 22:00:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-24 22:00:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-24 22:00:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-24 22:00:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-24 22:00:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-24 22:00:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-24 22:00:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-24 22:00:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-24 22:00:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-24 22:00:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-24 22:00:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-24 22:00:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-24 22:00:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-24 22:00:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-24 22:00:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-24 22:00:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-24 22:00:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-24 22:00:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-24 22:00:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:00:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:00:47,785 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:00:47,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:00:57,803 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:00:58,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:00:58,159 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:00:58,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:00:58 BoogieIcfgContainer [2023-11-24 22:00:58,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:00:58,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:00:58,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:00:58,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:00:58,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:00:44" (1/3) ... [2023-11-24 22:00:58,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275ae3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:00:58, skipping insertion in model container [2023-11-24 22:00:58,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:00:45" (2/3) ... [2023-11-24 22:00:58,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275ae3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:00:58, skipping insertion in model container [2023-11-24 22:00:58,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:00:58" (3/3) ... [2023-11-24 22:00:58,174 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2023-11-24 22:00:58,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:00:58,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 22:00:58,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 22:00:58,325 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;@29a440de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:00:58,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 22:00:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 2407 states, 2053 states have (on average 1.4943984413054068) internal successors, (3068), 2077 states have internal predecessors, (3068), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (308), 298 states have call predecessors, (308), 308 states have call successors, (308) [2023-11-24 22:00:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 22:00:58,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:00:58,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:00:58,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:00:58,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:00:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash 949819127, now seen corresponding path program 1 times [2023-11-24 22:00:58,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:00:58,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744117198] [2023-11-24 22:00:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:00:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:00:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:00:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 22:00:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 22:01:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:01:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:01:00,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744117198] [2023-11-24 22:01:00,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744117198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:01:00,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:01:00,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 22:01:00,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767358215] [2023-11-24 22:01:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:01:00,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 22:01:00,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:01:00,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 22:01:00,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:01:00,094 INFO L87 Difference]: Start difference. First operand has 2407 states, 2053 states have (on average 1.4943984413054068) internal successors, (3068), 2077 states have internal predecessors, (3068), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (308), 298 states have call predecessors, (308), 308 states have call successors, (308) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 22:01:05,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:01:09,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:01:13,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:01:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:01:23,297 INFO L93 Difference]: Finished difference Result 5512 states and 9212 transitions. [2023-11-24 22:01:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 22:01:23,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 143 [2023-11-24 22:01:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:01:23,372 INFO L225 Difference]: With dead ends: 5512 [2023-11-24 22:01:23,372 INFO L226 Difference]: Without dead ends: 3097 [2023-11-24 22:01:23,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:01:23,429 INFO L413 NwaCegarLoop]: 2389 mSDtfsCounter, 1114 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 655 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 5147 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-11-24 22:01:23,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 5147 Invalid, 3912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [655 Valid, 3254 Invalid, 3 Unknown, 0 Unchecked, 22.5s Time] [2023-11-24 22:01:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2023-11-24 22:01:23,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2397. [2023-11-24 22:01:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 2044 states have (on average 1.158023483365949) internal successors, (2367), 2068 states have internal predecessors, (2367), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (307), 297 states have call predecessors, (307), 307 states have call successors, (307) [2023-11-24 22:01:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 2982 transitions. [2023-11-24 22:01:23,771 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 2982 transitions. Word has length 143 [2023-11-24 22:01:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:01:23,772 INFO L495 AbstractCegarLoop]: Abstraction has 2397 states and 2982 transitions. [2023-11-24 22:01:23,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 22:01:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2982 transitions. [2023-11-24 22:01:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-24 22:01:23,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:01:23,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:01:23,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 22:01:23,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:01:23,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:01:23,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1716689514, now seen corresponding path program 1 times [2023-11-24 22:01:23,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:01:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285082770] [2023-11-24 22:01:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:01:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:01:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-24 22:01:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-24 22:01:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-24 22:01:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-24 22:01:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-24 22:01:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-24 22:01:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-24 22:01:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-24 22:01:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:01:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:01:26,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:01:26,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285082770] [2023-11-24 22:01:26,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285082770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:01:26,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:01:26,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-24 22:01:26,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690970878] [2023-11-24 22:01:26,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:01:26,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 22:01:26,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:01:26,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 22:01:26,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-24 22:01:26,034 INFO L87 Difference]: Start difference. First operand 2397 states and 2982 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-24 22:01:32,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:01:36,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []