./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/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_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/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_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:30,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:30,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:59:30,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:30,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:30,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:30,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:30,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:30,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:30,693 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:30,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:30,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:30,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:30,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:30,696 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:30,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:30,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:30,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:30,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:30,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:30,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:30,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:30,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:30,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:30,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:30,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:30,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:30,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:30,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:30,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:30,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:30,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:30,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:30,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:30,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:30,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:30,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:30,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:30,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:30,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:30,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:30,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:30,710 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_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2023-11-26 11:59:30,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:30,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:30,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:30,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:30,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:30,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-26 11:59:34,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:34,537 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:34,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-26 11:59:34,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/data/1ae122334/b7d6626809ab4911a9729a3e4ec3bcf3/FLAGf63f1f62f [2023-11-26 11:59:34,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/data/1ae122334/b7d6626809ab4911a9729a3e4ec3bcf3 [2023-11-26 11:59:34,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:34,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:34,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:34,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:34,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:34,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:34" (1/1) ... [2023-11-26 11:59:34,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba73a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:34, skipping insertion in model container [2023-11-26 11:59:34,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:34" (1/1) ... [2023-11-26 11:59:34,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:34,980 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_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2023-11-26 11:59:35,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:35,701 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:35,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2023-11-26 11:59:35,717 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_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2023-11-26 11:59:35,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:36,061 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:36,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36 WrapperNode [2023-11-26 11:59:36,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:36,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:36,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:36,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:36,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,542 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8412 [2023-11-26 11:59:36,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:36,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:36,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:36,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:36,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,743 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 11:59:36,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:37,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:37,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:37,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:37,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:37,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:37,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:37,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:37,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:37,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:37,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:37,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:37,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d2cf236-7c5f-4f50-b4dc-cb06092de21e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-26 11:59:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-26 11:59:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-26 11:59:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-26 11:59:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:59:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:59:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:59:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:59:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:59:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:59:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:59:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:59:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:59:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:59:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:59:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:59:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:59:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:59:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:59:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:59:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:59:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:59:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:59:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:59:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:59:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:59:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:59:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 11:59:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 11:59:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 11:59:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 11:59:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 11:59:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 11:59:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 11:59:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 11:59:37,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 11:59:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 11:59:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 11:59:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 11:59:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 11:59:37,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 11:59:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 11:59:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 11:59:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:59:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-26 11:59:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-26 11:59:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-26 11:59:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-26 11:59:37,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-26 11:59:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-26 11:59:37,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-26 11:59:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-11-26 11:59:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-11-26 11:59:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-26 11:59:37,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-26 11:59:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-26 11:59:37,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-26 11:59:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:59:37,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-26 11:59:37,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:59:37,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:59:37,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:59:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:59:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:59:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:59:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:59:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:59:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:59:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:59:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 11:59:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 11:59:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 11:59:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 11:59:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 11:59:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 11:59:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 11:59:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 11:59:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 11:59:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 11:59:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 11:59:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 11:59:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 11:59:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 11:59:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 11:59:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 11:59:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 11:59:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 11:59:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 11:59:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 11:59:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 11:59:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-26 11:59:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-26 11:59:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-26 11:59:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-26 11:59:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-26 11:59:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-26 11:59:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-26 11:59:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-26 11:59:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-26 11:59:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-26 11:59:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-26 11:59:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-26 11:59:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-26 11:59:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-26 11:59:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:59:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-26 11:59:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-26 11:59:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-26 11:59:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-26 11:59:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-26 11:59:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-26 11:59:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-26 11:59:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-26 11:59:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-26 11:59:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-26 11:59:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-26 11:59:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-26 11:59:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-26 11:59:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-26 11:59:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-26 11:59:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-26 11:59:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-26 11:59:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-26 11:59:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-26 11:59:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-26 11:59:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-26 11:59:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-26 11:59:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-26 11:59:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:59:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-26 11:59:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-26 11:59:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-26 11:59:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-26 11:59:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-26 11:59:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-26 11:59:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-26 11:59:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-26 11:59:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-26 11:59:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-26 11:59:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-26 11:59:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-26 11:59:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-26 11:59:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-26 11:59:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-26 11:59:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-26 11:59:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-26 11:59:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 11:59:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-26 11:59:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-26 11:59:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-26 11:59:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-26 11:59:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-26 11:59:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:59:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-26 11:59:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:59:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:59:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:59:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 11:59:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 11:59:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 11:59:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-26 11:59:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-26 11:59:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:38,027 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:38,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:47,686 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:47,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:47,999 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:59:48,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:48 BoogieIcfgContainer [2023-11-26 11:59:48,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:48,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:48,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:48,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:48,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:34" (1/3) ... [2023-11-26 11:59:48,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b04639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:48, skipping insertion in model container [2023-11-26 11:59:48,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36" (2/3) ... [2023-11-26 11:59:48,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b04639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:48, skipping insertion in model container [2023-11-26 11:59:48,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:48" (3/3) ... [2023-11-26 11:59:48,012 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2023-11-26 11:59:48,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:48,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:48,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:48,216 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;@2d56ea5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:48,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 2402 states, 2051 states have (on average 1.4953681131155534) internal successors, (3067), 2075 states have internal predecessors, (3067), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-26 11:59:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-26 11:59:48,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:48,251 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 11:59:48,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:48,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:48,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1681713463, now seen corresponding path program 1 times [2023-11-26 11:59:48,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:48,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001766544] [2023-11-26 11:59:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:48,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 11:59:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:59:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:49,913 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 11:59:49,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:49,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001766544] [2023-11-26 11:59:49,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001766544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:49,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:49,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493332514] [2023-11-26 11:59:49,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:49,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:49,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:49,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:49,972 INFO L87 Difference]: Start difference. First operand has 2402 states, 2051 states have (on average 1.4953681131155534) internal successors, (3067), 2075 states have internal predecessors, (3067), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:59:54,669 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 11:59:58,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:02,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:10,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:10,134 INFO L93 Difference]: Finished difference Result 5505 states and 9203 transitions. [2023-11-26 12:00:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:10,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 143 [2023-11-26 12:00:10,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:10,194 INFO L225 Difference]: With dead ends: 5505 [2023-11-26 12:00:10,194 INFO L226 Difference]: Without dead ends: 3095 [2023-11-26 12:00:10,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:10,236 INFO L413 NwaCegarLoop]: 2414 mSDtfsCounter, 1765 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 2280 mSolverCounterSat, 1161 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1161 IncrementalHoareTripleChecker+Valid, 2280 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:10,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 4177 Invalid, 3444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1161 Valid, 2280 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2023-11-26 12:00:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2023-11-26 12:00:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 2392. [2023-11-26 12:00:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2042 states have (on average 1.158667972575906) internal successors, (2366), 2066 states have internal predecessors, (2366), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2023-11-26 12:00:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 2975 transitions. [2023-11-26 12:00:10,601 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 2975 transitions. Word has length 143 [2023-11-26 12:00:10,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:10,601 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 2975 transitions. [2023-11-26 12:00:10,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:00:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2975 transitions. [2023-11-26 12:00:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-26 12:00:10,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:10,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:10,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:00:10,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:10,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2073990294, now seen corresponding path program 1 times [2023-11-26 12:00:10,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:10,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058589469] [2023-11-26 12:00:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:00:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:00:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:00:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 12:00:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 12:00:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:00:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:00:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:00:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:00:12,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058589469] [2023-11-26 12:00:12,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058589469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:12,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:12,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 12:00:12,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370228698] [2023-11-26 12:00:12,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:12,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:00:12,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:00:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:00:12,785 INFO L87 Difference]: Start difference. First operand 2392 states and 2975 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 12:00:17,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:21,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:26,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:30,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []