./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label39.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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/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 09088bf7df05fb0aeb7e867d28b9bd6e460902ff256d0b616aa1b0e915b11fad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:05:25,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:05:25,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:05:25,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:05:25,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:05:25,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:05:25,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:05:25,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:05:25,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:05:25,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:05:25,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:05:25,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:05:25,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:05:25,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:05:25,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:05:25,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:05:25,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:05:25,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:05:25,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:05:25,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:05:25,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:05:25,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:05:25,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:05:25,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:05:25,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:05:25,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:05:25,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:05:25,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:05:25,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:05:25,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:05:25,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:05:25,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:05:25,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:05:25,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:05:25,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:05:25,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:05:25,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:05:25,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:05:25,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:05:25,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:05:25,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:05:25,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:05:25,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:05:25,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:05:25,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:05:25,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:05:25,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:05:25,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:05:25,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:05:25,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:05:25,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:05:25,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:05:25,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:05:25,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:05:25,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:05:25,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:05:25,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:05:25,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:05:25,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:05:25,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:05:25,931 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:05:25,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:05:25,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:05:25,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:25,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:05:25,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:05:25,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:05:25,932 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:05:25,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:05:25,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:05:25,933 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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09088bf7df05fb0aeb7e867d28b9bd6e460902ff256d0b616aa1b0e915b11fad [2021-11-23 01:05:26,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:05:26,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:05:26,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:05:26,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:05:26,270 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:05:26,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2021-11-23 01:05:26,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/data/d0293ae56/4b500514641b404092123317b49aee6e/FLAG7f89b3b7b [2021-11-23 01:05:26,970 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:05:26,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2021-11-23 01:05:26,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/data/d0293ae56/4b500514641b404092123317b49aee6e/FLAG7f89b3b7b [2021-11-23 01:05:27,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/data/d0293ae56/4b500514641b404092123317b49aee6e [2021-11-23 01:05:27,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:05:27,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:05:27,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:27,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:05:27,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:05:27,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:27,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e172b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27, skipping insertion in model container [2021-11-23 01:05:27,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:27,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:05:27,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:05:27,528 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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/sv-benchmarks/c/eca-rers2012/Problem10_label39.c[3149,3162] [2021-11-23 01:05:27,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:27,778 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:05:27,799 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_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/sv-benchmarks/c/eca-rers2012/Problem10_label39.c[3149,3162] [2021-11-23 01:05:27,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:27,932 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:05:27,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27 WrapperNode [2021-11-23 01:05:27,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:27,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:27,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:05:27,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:05:27,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:27,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,075 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 01:05:28,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:28,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:05:28,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:05:28,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:05:28,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:05:28,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:05:28,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:05:28,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:05:28,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:27" (1/1) ... [2021-11-23 01:05:28,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:05:28,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:05:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:05:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:05:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:05:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:05:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:05:28,345 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:05:28,347 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:05:29,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:05:31,640 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:05:31,641 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:05:31,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:31 BoogieIcfgContainer [2021-11-23 01:05:31,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:05:31,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:05:31,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:05:31,656 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:05:31,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:31" (1/1) ... [2021-11-23 01:05:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:05:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:05:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:05:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:05:31,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:31,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:05:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:05:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:05:31,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:31,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:05:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:05:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:32,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:32,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2021-11-23 01:05:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-11-23 01:05:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:34,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:34,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-11-23 01:05:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-11-23 01:05:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:05:36,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:05:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-23 01:05:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-23 01:05:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:05:37,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:37,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:05:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2021-11-23 01:05:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2021-11-23 01:05:38,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:05:38,614 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-11-23 01:05:38,622 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:05:38,927 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2021-11-23 01:05:38,938 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 01:05:38,939 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:05:38,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:05:38 ImpRootNode [2021-11-23 01:05:38,940 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:05:38,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:05:38,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:05:38,941 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:05:38,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:31" (3/4) ... [2021-11-23 01:05:38,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:05:38,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 185 nodes and edges [2021-11-23 01:05:38,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-23 01:05:38,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:05:38,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:05:39,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:05:39,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:05:39,148 INFO L158 Benchmark]: Toolchain (without parser) took 11905.53ms. Allocated memory was 88.1MB in the beginning and 474.0MB in the end (delta: 385.9MB). Free memory was 49.3MB in the beginning and 139.5MB in the end (delta: -90.1MB). Peak memory consumption was 295.8MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,149 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:05:39,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.49ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 42.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.96ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 81.6MB in the end (delta: -38.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,150 INFO L158 Benchmark]: Boogie Preprocessor took 99.24ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 77.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,151 INFO L158 Benchmark]: RCFGBuilder took 3466.78ms. Allocated memory was 109.1MB in the beginning and 237.0MB in the end (delta: 127.9MB). Free memory was 77.0MB in the beginning and 142.1MB in the end (delta: -65.1MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,151 INFO L158 Benchmark]: CodeCheck took 7295.40ms. Allocated memory was 237.0MB in the beginning and 474.0MB in the end (delta: 237.0MB). Free memory was 142.1MB in the beginning and 155.2MB in the end (delta: -13.1MB). Peak memory consumption was 223.9MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,151 INFO L158 Benchmark]: Witness Printer took 207.57ms. Allocated memory is still 474.0MB. Free memory was 155.2MB in the beginning and 139.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:05:39,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 530 IncrementalHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 90 mSDtfsCounter, 530 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 631 SyntacticMatches, 28 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((!(a19 == 8) && 14 == a4) && a12 == 0) || ((14 == a4 && (0 <= a1 + 12 || !(a10 == 0))) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && ((!(a19 == 8) || !(a10 == 0)) || 0 < a1 + 13) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.49ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 42.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.96ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 81.6MB in the end (delta: -38.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.24ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 77.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3466.78ms. Allocated memory was 109.1MB in the beginning and 237.0MB in the end (delta: 127.9MB). Free memory was 77.0MB in the beginning and 142.1MB in the end (delta: -65.1MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * CodeCheck took 7295.40ms. Allocated memory was 237.0MB in the beginning and 474.0MB in the end (delta: 237.0MB). Free memory was 142.1MB in the beginning and 155.2MB in the end (delta: -13.1MB). Peak memory consumption was 223.9MB. Max. memory is 16.1GB. * Witness Printer took 207.57ms. Allocated memory is still 474.0MB. Free memory was 155.2MB in the beginning and 139.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:05:39,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3fdb2d1-366a-4b61-9d07-c7631cb636f8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE