./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.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_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/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_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/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_4c3078b3-4814-499c-b993-77e584fc0e7c/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 feb39bca06af67d7ac060da1dc3bc8180fef7df0c321a0d50ad90b8125c604ff ............................................................................................................................................................................................................................................................ 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 03:51:02,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:51:02,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:51:02,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:51:02,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:51:02,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:51:02,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:51:02,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:51:02,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:51:02,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:51:02,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:51:02,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:51:02,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:51:02,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:51:02,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:51:02,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:51:02,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:51:02,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:51:02,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:51:02,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:51:02,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:51:02,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:51:02,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:51:02,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:51:02,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:51:02,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:51:02,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:51:02,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:51:02,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:51:02,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:51:02,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:51:02,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:51:02,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:51:02,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:51:02,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:51:02,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:51:02,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:51:02,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:51:02,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:51:02,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:51:02,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:51:02,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:51:02,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:51:02,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:51:02,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:51:02,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:51:02,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:51:02,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:51:02,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:51:02,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:51:02,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:51:02,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:51:02,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:51:02,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:51:02,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:51:02,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:51:02,390 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:51:02,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:51:02,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:51:02,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:51:02,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:51:02,391 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:51:02,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:51:02,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:51:02,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:51:02,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:51:02,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:51:02,393 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:51:02,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:51:02,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:51:02,394 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_4c3078b3-4814-499c-b993-77e584fc0e7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb39bca06af67d7ac060da1dc3bc8180fef7df0c321a0d50ad90b8125c604ff [2021-10-29 03:51:02,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:51:02,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:51:02,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:51:02,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:51:02,801 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:51:02,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2021-10-29 03:51:02,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/data/34563daec/605f0220e4d446068346ef3226085e57/FLAG925e25212 [2021-10-29 03:51:03,596 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:51:03,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2021-10-29 03:51:03,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/data/34563daec/605f0220e4d446068346ef3226085e57/FLAG925e25212 [2021-10-29 03:51:03,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/data/34563daec/605f0220e4d446068346ef3226085e57 [2021-10-29 03:51:03,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:51:03,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:51:03,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:51:03,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:51:03,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:51:03,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:51:03" (1/1) ... [2021-10-29 03:51:03,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bed30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:03, skipping insertion in model container [2021-10-29 03:51:03,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:51:03" (1/1) ... [2021-10-29 03:51:03,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:51:03,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:51:04,184 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_4c3078b3-4814-499c-b993-77e584fc0e7c/sv-benchmarks/c/eca-rers2012/Problem10_label54.c[7067,7080] [2021-10-29 03:51:04,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:51:04,453 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:51:04,510 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_4c3078b3-4814-499c-b993-77e584fc0e7c/sv-benchmarks/c/eca-rers2012/Problem10_label54.c[7067,7080] [2021-10-29 03:51:04,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:51:04,639 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:51:04,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04 WrapperNode [2021-10-29 03:51:04,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:51:04,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:51:04,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:51:04,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:51:04,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:51:04,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:51:04,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:51:04,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:51:04,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:51:04,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:51:04,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:51:04,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:51:04,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:51:04" (1/1) ... [2021-10-29 03:51:04,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:51:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:51:04,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:51:04,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:51:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:51:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:51:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:51:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:51:15,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:51:15,026 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:51:15,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:51:15 BoogieIcfgContainer [2021-10-29 03:51:15,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:51:15,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:51:15,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:51:15,043 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:51:15,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:51:15" (1/1) ... [2021-10-29 03:51:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:51:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:51:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:51:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:51:15,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:15,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:15,385 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 03:51:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:51:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:51:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:51:15,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:15,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:51:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-29 03:51:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-29 03:51:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:51:16,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:16,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:51:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:51:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:51:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-10-29 03:51:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-10-29 03:51:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:51:45,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:51:45,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:51:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:52:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2021-10-29 03:52:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-10-29 03:52:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:52:03,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:03,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:52:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-10-29 03:52:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-10-29 03:52:04,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:52:04,131 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 03:52:04,139 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:52:04,381 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:52:04,395 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:52:04,395 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-29 03:52:04,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:52:04 ImpRootNode [2021-10-29 03:52:04,397 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:52:04,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:52:04,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:52:04,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:52:04,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:51:15" (3/4) ... [2021-10-29 03:52:04,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:52:04,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2021-10-29 03:52:04,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:52:04,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:52:04,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:52:04,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:52:04,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:52:04,614 INFO L168 Benchmark]: Toolchain (without parser) took 60840.61 ms. Allocated memory was 90.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 53.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 242.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,614 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:52:04,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.63 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 49.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.41 ms. Allocated memory is still 90.2 MB. Free memory was 49.2 MB in the beginning and 41.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,616 INFO L168 Benchmark]: Boogie Preprocessor took 150.40 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 41.2 MB in the beginning and 92.9 MB in the end (delta: -51.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,617 INFO L168 Benchmark]: RCFGBuilder took 10091.84 ms. Allocated memory was 119.5 MB in the beginning and 297.8 MB in the end (delta: 178.3 MB). Free memory was 92.9 MB in the beginning and 222.3 MB in the end (delta: -129.5 MB). Peak memory consumption was 203.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,618 INFO L168 Benchmark]: CodeCheck took 49367.27 ms. Allocated memory was 297.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 221.3 MB in the beginning and 1.2 GB in the end (delta: -989.5 MB). Peak memory consumption was 190.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,618 INFO L168 Benchmark]: Witness Printer took 214.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:04,621 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: 49.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 334 SDslu, 232 SDs, 0 SdLazy, 986 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 441 SyntacticMatches, 30 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 45.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 34/44 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: 200]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && !(a10 == 3)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a19 <= 7 || !(a10 == 3)) || 8 < a19) && 14 == a4) && a12 == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.63 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 49.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.41 ms. Allocated memory is still 90.2 MB. Free memory was 49.2 MB in the beginning and 41.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.40 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 41.2 MB in the beginning and 92.9 MB in the end (delta: -51.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10091.84 ms. Allocated memory was 119.5 MB in the beginning and 297.8 MB in the end (delta: 178.3 MB). Free memory was 92.9 MB in the beginning and 222.3 MB in the end (delta: -129.5 MB). Peak memory consumption was 203.6 MB. Max. memory is 16.1 GB. * CodeCheck took 49367.27 ms. Allocated memory was 297.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 221.3 MB in the beginning and 1.2 GB in the end (delta: -989.5 MB). Peak memory consumption was 190.0 MB. Max. memory is 16.1 GB. * Witness Printer took 214.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:52:04,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3078b3-4814-499c-b993-77e584fc0e7c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...