./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.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_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/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_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/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_d242dedc-50f8-497d-966a-c8e934b46eca/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 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:13,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:13,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:13,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:13,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:13,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:13,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:13,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:13,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:13,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:13,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:13,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:13,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:13,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:13,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:13,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:13,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:13,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:13,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:13,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:13,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:13,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:13,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:13,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:14,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:14,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:14,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:14,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:14,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:14,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:14,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:14,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:14,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:14,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:14,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:14,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:14,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:14,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:14,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:14,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:14,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:14,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:14,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:14,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:14,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:14,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:14,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:14,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:14,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:14,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:14,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:14,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:14,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:14,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:14,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:14,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:14,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:14,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:14,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:14,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:14,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:14,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:14,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:14,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:14,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:14,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:14,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:14,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:14,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:14,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:14,061 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_d242dedc-50f8-497d-966a-c8e934b46eca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b [2021-11-22 23:22:14,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:14,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:14,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:14,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:14,518 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:14,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-11-22 23:22:14,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/data/f27ad5478/f289fc7713ec441e8baecc4601c88fb5/FLAG417119253 [2021-11-22 23:22:15,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:15,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-11-22 23:22:15,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/data/f27ad5478/f289fc7713ec441e8baecc4601c88fb5/FLAG417119253 [2021-11-22 23:22:15,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/data/f27ad5478/f289fc7713ec441e8baecc4601c88fb5 [2021-11-22 23:22:15,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:15,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:15,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:15,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:15,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:15,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:15" (1/1) ... [2021-11-22 23:22:15,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81de05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:15, skipping insertion in model container [2021-11-22 23:22:15,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:15" (1/1) ... [2021-11-22 23:22:15,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:15,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:22:16,054 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_d242dedc-50f8-497d-966a-c8e934b46eca/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-11-22 23:22:16,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:16,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:22:16,548 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_d242dedc-50f8-497d-966a-c8e934b46eca/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-11-22 23:22:16,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:16,811 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:22:16,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16 WrapperNode [2021-11-22 23:22:16,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:16,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:16,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:22:16,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:22:16,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:16,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,003 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-22 23:22:17,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:17,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:22:17,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:22:17,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:22:17,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:22:17,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:22:17,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:22:17,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:22:17,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:16" (1/1) ... [2021-11-22 23:22:17,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:17,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:22:17,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:22:17,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:22:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:22:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:22:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:22:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:22:17,355 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:22:17,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:22:19,569 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:22:25,919 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:22:25,919 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:22:25,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:25 BoogieIcfgContainer [2021-11-22 23:22:25,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:22:25,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:22:25,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:22:25,939 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:22:25,940 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:25" (1/1) ... [2021-11-22 23:22:25,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:22:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:22:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:22:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:22:26,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:26,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:22:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:22:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:22:26,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:26,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-22 23:22:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-22 23:22:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:22:28,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-22 23:22:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-22 23:22:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:22:33,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:33,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-22 23:22:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-22 23:22:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:35,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:35,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:23:29,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:23:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2021-11-22 23:23:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2021-11-22 23:23:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:23:29,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:29,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:24:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-11-22 23:24:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-22 23:24:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:05,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:05,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:24:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2021-11-22 23:24:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-11-22 23:24:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:24:39,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:39,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:25:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-22 23:25:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-22 23:25:08,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:25:08,308 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-22 23:25:08,315 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:25:08,740 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2021-11-22 23:25:08,752 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-22 23:25:08,753 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:25:08,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:25:08 ImpRootNode [2021-11-22 23:25:08,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:25:08,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:25:08,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:25:08,755 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:25:08,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:25" (3/4) ... [2021-11-22 23:25:08,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:25:08,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2021-11-22 23:25:08,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-22 23:25:08,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-22 23:25:08,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:25:08,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:25:08,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:25:08,985 INFO L158 Benchmark]: Toolchain (without parser) took 173412.73ms. Allocated memory was 81.8MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 40.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2021-11-22 23:25:08,986 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:25:08,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.52ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 40.6MB in the beginning and 79.7MB in the end (delta: -39.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-22 23:25:08,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.77ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 62.5MB in the end (delta: 17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:25:08,987 INFO L158 Benchmark]: Boogie Preprocessor took 147.54ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 53.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:25:08,988 INFO L158 Benchmark]: RCFGBuilder took 8770.66ms. Allocated memory was 111.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 53.1MB in the beginning and 944.0MB in the end (delta: -891.0MB). Peak memory consumption was 323.3MB. Max. memory is 16.1GB. [2021-11-22 23:25:08,988 INFO L158 Benchmark]: CodeCheck took 162829.23ms. Allocated memory was 1.2GB in the beginning and 4.9GB in the end (delta: 3.7GB). Free memory was 944.0MB in the beginning and 2.2GB in the end (delta: -1.2GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-11-22 23:25:08,989 INFO L158 Benchmark]: Witness Printer took 229.85ms. Allocated memory is still 4.9GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-22 23:25:08,991 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: 162.3s, OverallIterations: 9, 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, 358 SdHoareTripleChecker+Valid, 29.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 28.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 840 IncrementalHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 142 mSDtfsCounter, 840 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1079 GetRequests, 972 SyntacticMatches, 45 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 8.5s SatisfiabilityAnalysisTime, 144.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 94]: 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: 1044]: Loop Invariant Derived loop invariant: (((((((a29 <= 140 || 307 <= a23) || a23 <= 138) || !(a4 == 1)) || 246 <= a29) || a25 <= 8) && a3 == 1) && a8 == 15) || ((10 <= a25 && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (a3 == 1 && ((((((a29 <= 140 || 9 < a25) || 245 < a29) || a23 <= 138) || 306 < a23) || !(a4 == 1)) || a25 <= 8)) && a8 == 15 - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.52ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 40.6MB in the beginning and 79.7MB in the end (delta: -39.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.77ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 62.5MB in the end (delta: 17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.54ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 53.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8770.66ms. Allocated memory was 111.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 53.1MB in the beginning and 944.0MB in the end (delta: -891.0MB). Peak memory consumption was 323.3MB. Max. memory is 16.1GB. * CodeCheck took 162829.23ms. Allocated memory was 1.2GB in the beginning and 4.9GB in the end (delta: 3.7GB). Free memory was 944.0MB in the beginning and 2.2GB in the end (delta: -1.2GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 229.85ms. Allocated memory is still 4.9GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:25:09,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d242dedc-50f8-497d-966a-c8e934b46eca/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