./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label51.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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/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 b9188b0bb7d345bde8858a6e4085c80a345a783efac7d50b39494fde4a7e156f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:12:25,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:12:25,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:12:25,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:12:25,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:12:25,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:12:25,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:12:25,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:12:25,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:12:25,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:12:25,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:12:25,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:12:25,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:12:25,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:12:25,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:12:25,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:12:25,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:12:25,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:12:25,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:12:25,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:12:25,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:12:25,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:12:25,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:12:25,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:12:25,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:12:25,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:12:25,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:12:25,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:12:25,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:12:25,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:12:25,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:12:25,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:12:25,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:12:25,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:12:25,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:12:25,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:12:25,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:12:25,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:12:25,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:12:25,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:12:25,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:12:25,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:12:25,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:12:25,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:12:25,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:12:25,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:12:25,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:12:25,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:12:25,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:12:25,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:12:25,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:12:25,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:12:25,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:12:25,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:12:25,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:12:25,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:12:25,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:12:25,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:12:25,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:12:25,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:12:25,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:12:25,728 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:12:25,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:12:25,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:25,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:12:25,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:12:25,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:12:25,730 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:12:25,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:12:25,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:12:25,731 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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9188b0bb7d345bde8858a6e4085c80a345a783efac7d50b39494fde4a7e156f [2021-11-23 01:12:26,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:12:26,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:12:26,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:12:26,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:12:26,055 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:12:26,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label51.c [2021-11-23 01:12:26,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/data/6a026db02/d51772aa1be14c2eaddb4d6a71a58323/FLAGdb9a160cf [2021-11-23 01:12:26,704 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:12:26,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/sv-benchmarks/c/eca-rers2012/Problem14_label51.c [2021-11-23 01:12:26,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/data/6a026db02/d51772aa1be14c2eaddb4d6a71a58323/FLAGdb9a160cf [2021-11-23 01:12:27,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/data/6a026db02/d51772aa1be14c2eaddb4d6a71a58323 [2021-11-23 01:12:27,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:12:27,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:12:27,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:27,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:12:27,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:12:27,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4057081c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27, skipping insertion in model container [2021-11-23 01:12:27,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:12:27,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:12:27,381 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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/sv-benchmarks/c/eca-rers2012/Problem14_label51.c[3722,3735] [2021-11-23 01:12:27,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:27,668 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:12:27,703 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_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/sv-benchmarks/c/eca-rers2012/Problem14_label51.c[3722,3735] [2021-11-23 01:12:27,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:27,831 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:12:27,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27 WrapperNode [2021-11-23 01:12:27,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:27,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:27,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:12:27,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:12:27,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,935 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 01:12:27,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:27,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:12:27,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:12:27,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:12:27,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:27,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:28,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:12:28,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:12:28,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:12:28,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:12:28,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:27" (1/1) ... [2021-11-23 01:12:28,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:12:28,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:12:28,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:12:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:12:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:12:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:12:28,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:12:28,184 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:12:28,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:12:29,725 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:12:32,915 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:12:32,915 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:12:32,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:32 BoogieIcfgContainer [2021-11-23 01:12:32,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:12:32,922 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:12:32,922 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:12:32,933 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:12:32,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:32" (1/1) ... [2021-11-23 01:12:32,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:12:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:12:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:12:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:12:33,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:33,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:33,234 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 01:12:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:12:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:12:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:12:33,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:33,868 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 01:12:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 01:12:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 01:12:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:12:34,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:34,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:35,186 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 01:12:43,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:12:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-23 01:12:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-23 01:12:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:43,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:43,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 01:12:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 01:12:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:53,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:53,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-23 01:13:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-23 01:13:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:13:00,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:00,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2021-11-23 01:13:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-23 01:13:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:13:03,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2021-11-23 01:13:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2021-11-23 01:13:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:13:05,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2021-11-23 01:13:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2021-11-23 01:13:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:11,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:11,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 125 transitions. [2021-11-23 01:13:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 125 transitions. [2021-11-23 01:13:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:18,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:18,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2021-11-23 01:13:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2021-11-23 01:13:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:22,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:22,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 64 states and 139 transitions. [2021-11-23 01:13:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 139 transitions. [2021-11-23 01:13:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:26,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:26,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 76 states and 181 transitions. [2021-11-23 01:13:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 181 transitions. [2021-11-23 01:13:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:13:37,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:37,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 79 states and 190 transitions. [2021-11-23 01:13:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 190 transitions. [2021-11-23 01:13:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:13:41,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:41,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:53,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:13:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 74 states and 182 transitions. [2021-11-23 01:13:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 182 transitions. [2021-11-23 01:13:58,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:13:58,393 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-11-23 01:13:58,401 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:14:01,186 INFO L560 CodeCheckObserver]: Invariant with dag size 99 [2021-11-23 01:14:01,208 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:14:01,209 INFO L560 CodeCheckObserver]: Invariant with dag size 110 [2021-11-23 01:14:01,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:14:01 ImpRootNode [2021-11-23 01:14:01,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:14:01,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:14:01,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:14:01,219 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:14:01,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:32" (3/4) ... [2021-11-23 01:14:01,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:14:01,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2021-11-23 01:14:01,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-23 01:14:01,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:14:01,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:14:01,475 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:14:01,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:14:01,477 INFO L158 Benchmark]: Toolchain (without parser) took 94379.92ms. Allocated memory was 96.5MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 55.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 794.7MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,478 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:14:01,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.92ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 55.3MB in the beginning and 79.1MB in the end (delta: -23.9MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.73ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 69.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,479 INFO L158 Benchmark]: Boogie Preprocessor took 76.83ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 64.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,480 INFO L158 Benchmark]: RCFGBuilder took 4906.95ms. Allocated memory was 123.7MB in the beginning and 541.1MB in the end (delta: 417.3MB). Free memory was 64.3MB in the beginning and 423.9MB in the end (delta: -359.7MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,480 INFO L158 Benchmark]: CodeCheck took 88296.11ms. Allocated memory was 541.1MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 423.9MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 694.7MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,481 INFO L158 Benchmark]: Witness Printer took 257.11ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:14:01,484 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: 85.4s, OverallIterations: 15, 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, 1202 SdHoareTripleChecker+Valid, 134.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1135 mSDsluCounter, 1112 SdHoareTripleChecker+Invalid, 130.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 704 mSDsCounter, 848 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3871 IncrementalHoareTripleChecker+Invalid, 4719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 848 mSolverCounterUnsat, 408 mSDtfsCounter, 3871 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3507 GetRequests, 3098 SyntacticMatches, 161 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35595 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 14.0s SatisfiabilityAnalysisTime, 37.1s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 6938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 0/762 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: 119]: 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: 30]: Loop Invariant Derived loop invariant: ((((((((((a12 <= 10 && !(a12 + 43 <= 0 || (a12 <= 10 && !(a21 == 10)))) || ((((((((a12 <= 11 || 7 < a15) || !(a24 == 1)) || a15 <= 6) || 80 < a12) || a21 <= 7) || 8 < a21) && (((a12 <= 528384 || (a12 <= 599997 && a21 == 10)) || 5 == a15) || ((a24 == 1 && a21 == 10) && a15 == 6))) && !(a15 <= 8 && a12 <= 10))) || (0 <= a12 + 2 && a12 <= 2)) || ((a15 <= 8 && !(a12 <= 528384)) && (!(a24 == 1) || a12 <= 1200127))) || ((a15 <= 8 && ((a21 == 6 || !(a15 == 8)) || a21 == 10)) && !(((a12 <= 528384 || (a12 <= 599997 && a21 == 10)) || 5 == a15) || ((a24 == 1 && a21 == 10) && a15 == 6)))) || (((7 < a15 && a24 == 1) && 49 + a12 <= 0) && a21 == 10)) || (!(a12 <= 228291) && a12 <= 599999)) || (((10 <= a15 || a12 <= 600083) && a21 < 10) && !(((a21 == 8 || !(a24 == 1)) || a21 <= 7) || a12 <= 599999))) || ((((0 <= 49 + a12 && a24 == 1) && 7 == a21) && 49 + a12 <= 0) && a15 == 8)) || ((!(0 <= 49 + a12 && 49 + a12 <= 0) && (a12 + 43 <= 0 || (a12 <= 10 && !(a21 == 10)))) && !((((6 < a21 && a24 == 1) && a21 <= 7) && a12 <= 2) && 8 <= a15))) || (((a15 == 9 && (a21 <= 8 || 10 <= a21)) && a12 <= 600083) && !(a21 <= 6)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((((((((a15 <= 8 && !(a12 <= 528384)) && (!(a24 == 1) || a12 <= 1200127)) || ((((a24 == 1 && 5 == a15) || !(a21 == 6)) && (a21 == 6 || ((7 < a15 && a24 == 1) && a21 == 10))) && 49 + a12 <= 0)) || ((a15 <= 8 && !((a12 <= 528384 || (a12 <= 599997 && a21 == 10)) || 5 == a15)) && (a21 == 6 || a21 == 10))) || (49 + a12 < 0 && !((a24 == 1 && 7 == a21) && a15 == 8))) || (0 <= a12 + 2 && a12 <= 10)) || (!(a12 <= 228291) && a12 <= 599999)) || ((((a12 <= 528384 || (a12 <= 599997 && a21 == 10)) || 5 == a15) && 8 <= a15) && !(a15 <= 8 && a12 <= 10))) || (((10 <= a15 || a12 <= 600083) && a21 < 10) && !(((a21 == 8 || !(a24 == 1)) || a21 <= 7) || a12 <= 599999))) || (a12 <= 10 && !((a12 <= 10 && !(a21 == 10)) || a12 + 45 <= 0))) || ((((0 <= 49 + a12 && a24 == 1) && 7 == a21) && 49 + a12 <= 0) && a15 == 8)) || (!(49 + a12 <= 0 || 8 <= a15) && (((a12 <= 11 || 9 <= a21) || a15 <= 6) || a21 <= 7))) || ((((a12 <= 10 && !(a21 == 10)) || a12 + 45 <= 0) && 0 < 49 + a12) && !((6 < a21 && a24 == 1) && a21 <= 7))) || (((a15 == 9 && (a21 <= 8 || 10 <= a21)) && a12 <= 600083) && !(a21 <= 6))) || ((!(a24 == 1) || 81 <= a12) && !(a12 <= 11 || 8 <= a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.92ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 55.3MB in the beginning and 79.1MB in the end (delta: -23.9MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.73ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 69.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.83ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 64.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4906.95ms. Allocated memory was 123.7MB in the beginning and 541.1MB in the end (delta: 417.3MB). Free memory was 64.3MB in the beginning and 423.9MB in the end (delta: -359.7MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * CodeCheck took 88296.11ms. Allocated memory was 541.1MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 423.9MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 694.7MB. Max. memory is 16.1GB. * Witness Printer took 257.11ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:14:01,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7799a44-d23f-47bd-ae70-b45f1e73b8e6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE