./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4 --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 bccc4c8de413c9dd734be1e3ed9d72294c012c56a7e84ec0d648e66e97e0339d --- 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-2329fc7 [2022-12-14 18:46:15,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:46:15,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:46:15,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:46:15,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:46:15,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:46:15,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:46:15,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:46:15,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:46:15,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:46:15,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:46:15,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:46:15,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:46:15,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:46:15,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:46:15,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:46:15,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:46:15,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:46:15,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:46:15,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:46:15,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:46:15,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:46:15,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:46:15,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:46:15,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:46:15,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:46:15,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:46:15,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:46:15,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:46:15,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:46:15,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:46:15,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:46:15,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:46:15,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:46:15,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:46:15,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:46:15,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:46:15,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:46:15,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:46:15,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:46:15,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:46:15,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:46:15,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:46:15,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:46:15,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:46:15,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:46:15,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:46:15,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:46:15,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:46:15,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:46:15,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:46:15,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:46:15,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:46:15,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:46:15,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:46:15,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:46:15,953 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:46:15,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:46:15,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:46:15,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:46:15,953 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:46:15,953 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:46:15,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:46:15,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:46:15,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:46:15,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:46:15,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:46:15,954 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:46:15,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:46:15,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:46:15,955 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_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bccc4c8de413c9dd734be1e3ed9d72294c012c56a7e84ec0d648e66e97e0339d [2022-12-14 18:46:16,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:46:16,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:46:16,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:46:16,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:46:16,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:46:16,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem103_label50.c [2022-12-14 18:46:18,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:46:20,406 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:46:20,407 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/sv-benchmarks/c/eca-programs/Problem103_label50.c [2022-12-14 18:46:20,661 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/data/83dcf8524/ec9afde338074ba08176c0f0d46bcfa2/FLAGdb40dca26 [2022-12-14 18:46:20,672 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/data/83dcf8524/ec9afde338074ba08176c0f0d46bcfa2 [2022-12-14 18:46:20,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:46:20,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:46:20,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:46:20,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:46:20,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:46:20,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:20" (1/1) ... [2022-12-14 18:46:20,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8ef999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:20, skipping insertion in model container [2022-12-14 18:46:20,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:20" (1/1) ... [2022-12-14 18:46:20,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:46:21,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:46:45,488 WARN L237 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_379bc979-3854-4c6c-a441-aca83bbe9921/sv-benchmarks/c/eca-programs/Problem103_label50.c[6307260,6307273] [2022-12-14 18:46:45,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:46:45,633 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:46:59,173 WARN L237 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_379bc979-3854-4c6c-a441-aca83bbe9921/sv-benchmarks/c/eca-programs/Problem103_label50.c[6307260,6307273] [2022-12-14 18:46:59,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:47:02,334 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:47:02,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02 WrapperNode [2022-12-14 18:47:02,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:47:02,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:47:02,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:47:02,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:47:02,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:02,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:05,510 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197824 [2022-12-14 18:47:05,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:47:05,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:47:05,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:47:05,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:47:05,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:05,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:06,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:06,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:07,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:07,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:07,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:07,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:08,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:47:08,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:47:08,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:47:08,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:47:08,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:02" (1/1) ... [2022-12-14 18:47:08,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:47:08,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:47:08,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:47:08,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc979-3854-4c6c-a441-aca83bbe9921/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:47:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:47:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:47:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:47:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:47:08,583 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:47:08,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:48:14,845 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:49:03,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:49:03,117 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:49:03,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:49:03 BoogieIcfgContainer [2022-12-14 18:49:03,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:49:03,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:49:03,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:49:03,137 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:49:03,137 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:49:03" (1/1) ... [2022-12-14 18:49:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:49:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:49:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-14 18:49:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-14 18:49:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-14 18:49:04,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:49:04,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:49:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:52:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:52:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49404 states to 33007 states and 49404 transitions. [2022-12-14 18:52:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 49404 transitions. [2022-12-14 18:52:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16525 [2022-12-14 18:52:27,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:52:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:52:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49464 states to 33065 states and 49464 transitions. [2022-12-14 18:53:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33065 states and 49464 transitions. [2022-12-14 18:53:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16557 [2022-12-14 18:53:59,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:55:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:55:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:55:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49557 states to 33155 states and 49557 transitions. [2022-12-14 18:55:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 33155 states and 49557 transitions. [2022-12-14 18:55:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16577 [2022-12-14 18:55:53,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:55:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:55:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat