./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI --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 7637be8cbb3d4ad16f3a64709fc5dab3676d79ac43ca42d38570deebd36b6490 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:14:00,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:14:00,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:14:00,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:14:00,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:14:00,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:14:00,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:14:00,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:14:00,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:14:00,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:14:00,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:14:00,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:14:00,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:14:00,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:14:00,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:14:00,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:14:00,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:14:00,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:14:00,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:14:00,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:14:00,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:14:00,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:14:00,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:14:00,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:14:00,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:14:00,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:14:00,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:14:00,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:14:00,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:14:00,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:14:00,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:14:00,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:14:00,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:14:00,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:14:00,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:14:00,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:14:00,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:14:00,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:14:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:14:00,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:14:00,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:14:00,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:14:00,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:14:00,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:14:00,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:14:00,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:14:00,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:14:00,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:14:00,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:14:00,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:14:00,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:14:00,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:14:00,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:14:00,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:14:00,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:14:00,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:14:00,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:14:00,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:14:00,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:14:00,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:14:00,924 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:14:00,924 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:14:00,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:14:00,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:14:00,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:14:00,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:14:00,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:14:00,926 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:14:00,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:14:00,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:14:00,927 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_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7637be8cbb3d4ad16f3a64709fc5dab3676d79ac43ca42d38570deebd36b6490 [2021-10-29 03:14:01,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:14:01,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:14:01,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:14:01,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:14:01,315 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:14:01,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-regression/test01.c [2021-10-29 03:14:01,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/data/4b0ef27d5/667edca3130d44b5a4f87b13f5484c26/FLAG529ffd4b2 [2021-10-29 03:14:01,908 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:14:01,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/sv-benchmarks/c/ldv-regression/test01.c [2021-10-29 03:14:01,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/data/4b0ef27d5/667edca3130d44b5a4f87b13f5484c26/FLAG529ffd4b2 [2021-10-29 03:14:02,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/data/4b0ef27d5/667edca3130d44b5a4f87b13f5484c26 [2021-10-29 03:14:02,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:14:02,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:14:02,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:14:02,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:14:02,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:14:02,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e86b3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02, skipping insertion in model container [2021-10-29 03:14:02,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:14:02,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:14:02,555 WARN L228 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_2980a648-fae0-4ff2-b141-d67bd39778b9/sv-benchmarks/c/ldv-regression/test01.c[393,406] [2021-10-29 03:14:02,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:14:02,569 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:14:02,582 WARN L228 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_2980a648-fae0-4ff2-b141-d67bd39778b9/sv-benchmarks/c/ldv-regression/test01.c[393,406] [2021-10-29 03:14:02,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:14:02,596 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:14:02,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02 WrapperNode [2021-10-29 03:14:02,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:14:02,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:14:02,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:14:02,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:14:02,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:14:02,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:14:02,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:14:02,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:14:02,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:14:02,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:14:02,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:14:02,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:14:02,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:14:02" (1/1) ... [2021-10-29 03:14:02,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:14:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:14:02,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:14:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:14:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:14:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:14:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:14:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:14:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:14:03,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:14:03,059 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 03:14:03,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:03 BoogieIcfgContainer [2021-10-29 03:14:03,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:14:03,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:14:03,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:14:03,084 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:14:03,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:03" (1/1) ... [2021-10-29 03:14:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:14:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-10-29 03:14:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-10-29 03:14:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:14:03,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:14:03,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:14:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:14:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:14:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:14:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-10-29 03:14:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-10-29 03:14:03,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:14:03,411 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-29 03:14:03,417 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:14:03,423 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:14:03,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:14:03 ImpRootNode [2021-10-29 03:14:03,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:14:03,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:14:03,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:14:03,429 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:14:03,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:14:03" (3/4) ... [2021-10-29 03:14:03,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:14:03,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:14:03,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:14:03,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:14:03,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:14:03,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:14:03,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:14:03,498 INFO L168 Benchmark]: Toolchain (without parser) took 1097.67 ms. Allocated memory is still 102.8 MB. Free memory was 65.2 MB in the beginning and 58.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,499 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:14:03,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.05 ms. Allocated memory is still 102.8 MB. Free memory was 65.0 MB in the beginning and 55.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.80 ms. Allocated memory is still 102.8 MB. Free memory was 55.8 MB in the beginning and 54.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:14:03,503 INFO L168 Benchmark]: Boogie Preprocessor took 37.99 ms. Allocated memory is still 102.8 MB. Free memory was 54.5 MB in the beginning and 82.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,507 INFO L168 Benchmark]: RCFGBuilder took 393.65 ms. Allocated memory is still 102.8 MB. Free memory was 82.4 MB in the beginning and 71.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,508 INFO L168 Benchmark]: CodeCheck took 364.73 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 61.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,509 INFO L168 Benchmark]: Witness Printer took 67.96 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 59.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:14:03,512 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 17]: 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: 6]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 188.05 ms. Allocated memory is still 102.8 MB. Free memory was 65.0 MB in the beginning and 55.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.80 ms. Allocated memory is still 102.8 MB. Free memory was 55.8 MB in the beginning and 54.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.99 ms. Allocated memory is still 102.8 MB. Free memory was 54.5 MB in the beginning and 82.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 393.65 ms. Allocated memory is still 102.8 MB. Free memory was 82.4 MB in the beginning and 71.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 364.73 ms. Allocated memory is still 102.8 MB. Free memory was 71.7 MB in the beginning and 61.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 67.96 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 59.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:14:03,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2980a648-fae0-4ff2-b141-d67bd39778b9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...