./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 179c918b2db28e9084bd927ed6c0c1b9cbf9a85e5173c8ba4b86af3714470a9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:26,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:26,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:26,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:26,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:26,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:26,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:26,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:26,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:26,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:26,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:26,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:26,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:26,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:26,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:26,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:26,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:26,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:26,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:26,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:26,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:26,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:26,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:26,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:26,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:26,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:26,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:26,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:26,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:26,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:26,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:26,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:26,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:26,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:26,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:26,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:26,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:26,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:26,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:26,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:26,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:26,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:15:26,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:26,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:26,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:15:26,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:15:26,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:26,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:26,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:26,992 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:15:26,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:26,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:15:26,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:26,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:15:26,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:26,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:15:26,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:15:26,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:15:26,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:26,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:15:26,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:26,995 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:26,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:26,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:26,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:26,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:26,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:15:26,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:26,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:26,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:15:26,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179c918b2db28e9084bd927ed6c0c1b9cbf9a85e5173c8ba4b86af3714470a9f [2021-11-22 23:15:27,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:27,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:27,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:27,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:27,334 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:27,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem07_label09.c [2021-11-22 23:15:27,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/data/af515e389/5bad2bdfd19d4325841d8a7b77f540fa/FLAG266d107ec [2021-11-22 23:15:30,274 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:30,275 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/sv-benchmarks/c/eca-rers2012/Problem07_label09.c [2021-11-22 23:15:30,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/data/af515e389/5bad2bdfd19d4325841d8a7b77f540fa/FLAG266d107ec [2021-11-22 23:15:30,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/data/af515e389/5bad2bdfd19d4325841d8a7b77f540fa [2021-11-22 23:15:30,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:30,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:30,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:30,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:30,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:30,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:30" (1/1) ... [2021-11-22 23:15:30,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ed233c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:30, skipping insertion in model container [2021-11-22 23:15:30,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:30" (1/1) ... [2021-11-22 23:15:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:32,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:44,182 WARN L230 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_6363e819-139e-4adf-870e-c34383ab9cd0/sv-benchmarks/c/eca-rers2012/Problem07_label09.c[2768476,2768489] [2021-11-22 23:15:44,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:44,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:51,421 WARN L230 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_6363e819-139e-4adf-870e-c34383ab9cd0/sv-benchmarks/c/eca-rers2012/Problem07_label09.c[2768476,2768489] [2021-11-22 23:15:51,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:52,503 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:52,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52 WrapperNode [2021-11-22 23:15:52,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:52,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:52,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:52,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:52,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:53,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:56,222 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-22 23:15:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:56,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:56,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:56,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:56,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:56,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:56,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:56,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:58,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:58,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:58,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:59,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:59,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:59,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:59,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:59,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:52" (1/1) ... [2021-11-22 23:15:59,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:59,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:59,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6363e819-139e-4adf-870e-c34383ab9cd0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:59,565 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:59,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:35,233 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:36,492 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:36,493 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:16:36,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:36 BoogieIcfgContainer [2021-11-22 23:16:36,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:36,506 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:36,506 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:36,517 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:36,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:36" (1/1) ... [2021-11-22 23:16:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2021-11-22 23:16:36,763 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2021-11-22 23:16:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2021-11-22 23:16:37,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat