./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --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_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/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_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/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_163af8df-5da1-4949-99e1-cb414e484cfa/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 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:18,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:18,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:18,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:18,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:18,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:18,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:18,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:18,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:18,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:18,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:18,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:18,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:18,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:18,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:18,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:18,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:18,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:18,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:18,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:18,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:18,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:18,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:18,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:18,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:18,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:18,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:18,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:18,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:18,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:18,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:18,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:18,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:18,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:18,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:18,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:18,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:18,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:18,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:18,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:18,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:18,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:37:18,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:18,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:18,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:18,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:18,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:18,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:18,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:18,894 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:18,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:18,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:18,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:18,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:18,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:18,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:18,903 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:18,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:18,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:18,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:18,904 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:18,904 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:18,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:18,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:18,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:18,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:18,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:18,905 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:18,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:18,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:18,906 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_163af8df-5da1-4949-99e1-cb414e484cfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976 [2021-11-23 00:37:19,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:19,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:19,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:19,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:19,213 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:19,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-lit/jm2006_variant.i [2021-11-23 00:37:19,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/data/dfc660592/8972a589677248ca8183d120a98cb678/FLAG3ea2970db [2021-11-23 00:37:19,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:19,780 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/sv-benchmarks/c/loop-lit/jm2006_variant.i [2021-11-23 00:37:19,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/data/dfc660592/8972a589677248ca8183d120a98cb678/FLAG3ea2970db [2021-11-23 00:37:20,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/data/dfc660592/8972a589677248ca8183d120a98cb678 [2021-11-23 00:37:20,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:20,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:20,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:20,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:20,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:20,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e10ec1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20, skipping insertion in model container [2021-11-23 00:37:20,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:20,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:20,363 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_163af8df-5da1-4949-99e1-cb414e484cfa/sv-benchmarks/c/loop-lit/jm2006_variant.i[895,908] [2021-11-23 00:37:20,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:20,382 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:20,395 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_163af8df-5da1-4949-99e1-cb414e484cfa/sv-benchmarks/c/loop-lit/jm2006_variant.i[895,908] [2021-11-23 00:37:20,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:20,412 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:20,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20 WrapperNode [2021-11-23 00:37:20,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:20,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:20,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:20,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:20,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,460 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-11-23 00:37:20,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:20,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:20,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:20,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:20,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:20,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:20,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:20,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:20,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:20,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:20,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:20,639 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:20,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:20,767 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:20,782 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:20,782 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:37:20,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:20 BoogieIcfgContainer [2021-11-23 00:37:20,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:20,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:20,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:20,796 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:20,796 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:20" (1/1) ... [2021-11-23 00:37:20,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:37:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:37:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:20,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:20,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,211 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 00:37:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-23 00:37:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-23 00:37:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:21,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:21,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2021-11-23 00:37:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2021-11-23 00:37:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:37:22,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,295 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 00:37:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 00:37:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 00:37:22,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:37:22,504 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-11-23 00:37:22,516 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:37:22,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:37:22,594 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:37:22,594 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-23 00:37:22,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:37:22 ImpRootNode [2021-11-23 00:37:22,604 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:37:22,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:37:22,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:37:22,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:37:22,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:20" (3/4) ... [2021-11-23 00:37:22,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:37:22,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:37:22,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:37:22,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:37:22,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:37:22,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:37:22,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:37:22,657 INFO L158 Benchmark]: Toolchain (without parser) took 2499.23ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 62.5MB in the beginning and 62.1MB in the end (delta: 339.0kB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,658 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:22,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.37ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 62.3MB in the beginning and 102.6MB in the end (delta: -40.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.61ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 101.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,660 INFO L158 Benchmark]: Boogie Preprocessor took 20.01ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,661 INFO L158 Benchmark]: RCFGBuilder took 302.10ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 90.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,661 INFO L158 Benchmark]: CodeCheck took 1818.88ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 64.9MB in the end (delta: 25.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,662 INFO L158 Benchmark]: Witness Printer took 51.69ms. Allocated memory is still 127.9MB. Free memory was 64.9MB in the beginning and 62.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:37:22,665 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, 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, 33 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 15 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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: 19]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: j + x <= i + y + z && i + y + z <= j + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.37ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 62.3MB in the beginning and 102.6MB in the end (delta: -40.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.61ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 101.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.01ms. Allocated memory is still 127.9MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.10ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 90.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1818.88ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 64.9MB in the end (delta: 25.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 51.69ms. Allocated memory is still 127.9MB. Free memory was 64.9MB in the beginning and 62.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:37:22,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_163af8df-5da1-4949-99e1-cb414e484cfa/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