./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB --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 ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:45,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:45,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:45,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:45,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:45,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:45,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:45,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:45,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:45,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:45,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:45,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:45,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:45,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:45,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:45,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:45,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:45,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:45,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:45,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:45,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:45,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:45,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:45,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:46,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:46,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:46,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:46,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:46,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:46,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:46,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:46,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:46,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:46,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:46,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:46,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:46,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:46,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:46,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:46,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:46,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:46,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:46,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:46,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:46,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:46,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:46,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:46,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:46,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:46,066 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:46,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:46,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:46,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:46,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:46,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:46,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:46,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:46,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:46,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:46,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:46,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:46,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:46,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:46,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:46,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:46,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:46,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:46,071 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:46,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:46,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:46,072 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_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b [2022-10-17 16:39:46,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:46,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:46,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:46,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:46,390 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:46,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-10-17 16:39:46,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/data/d904adb53/6f0a5074986549279985e58d6d29ab5f/FLAG70e9dbb44 [2022-10-17 16:39:47,175 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:47,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-10-17 16:39:47,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/data/d904adb53/6f0a5074986549279985e58d6d29ab5f/FLAG70e9dbb44 [2022-10-17 16:39:47,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/data/d904adb53/6f0a5074986549279985e58d6d29ab5f [2022-10-17 16:39:47,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:47,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:47,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:47,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:47,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:47,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:47" (1/1) ... [2022-10-17 16:39:47,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45301471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:47, skipping insertion in model container [2022-10-17 16:39:47,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:47" (1/1) ... [2022-10-17 16:39:47,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:47,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:47,726 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_6e7e649a-3f18-4590-a887-a48d50aa887a/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-10-17 16:39:48,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:48,095 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:48,120 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_6e7e649a-3f18-4590-a887-a48d50aa887a/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-10-17 16:39:48,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:48,297 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:48,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48 WrapperNode [2022-10-17 16:39:48,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:48,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:48,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:48,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:48,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,418 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-10-17 16:39:48,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:48,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:48,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:48,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:48,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:48,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:48,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:48,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:48,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:48" (1/1) ... [2022-10-17 16:39:48,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:48,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:48,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7e649a-3f18-4590-a887-a48d50aa887a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:48,756 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:48,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:50,661 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:57,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:57,249 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:57,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:57 BoogieIcfgContainer [2022-10-17 16:39:57,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:57,253 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:57,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:57,264 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:57,265 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:57" (1/1) ... [2022-10-17 16:39:57,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:39:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:39:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:57,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:57,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:39:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:39:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:57,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:57,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat