./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.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_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/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_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/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_802e0c9b-888a-49df-b777-a1e596dab0e9/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 443b39ef03d047933d04d3c4124d0553fdbdc2364608b268fc568d4113c9c65f ............................................................................................................................................................................................................................................. 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 03:22:23,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:22:23,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:22:23,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:22:23,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:22:23,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:22:23,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:22:23,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:22:23,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:22:23,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:22:23,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:22:23,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:22:23,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:22:23,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:22:23,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:22:23,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:22:23,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:22:23,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:22:23,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:22:23,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:22:23,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:22:23,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:22:23,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:22:23,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:22:23,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:22:23,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:22:23,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:22:23,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:22:23,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:22:23,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:22:23,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:22:23,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:22:23,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:22:23,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:22:23,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:22:23,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:22:23,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:22:23,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:22:23,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:22:23,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:22:23,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:22:23,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:22:23,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:22:23,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:22:23,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:22:23,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:22:23,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:22:23,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:22:23,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:22:23,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:22:23,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:22:23,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:22:23,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:22:23,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:22:23,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:22:23,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:22:23,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:22:23,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:22:23,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:22:23,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:22:23,277 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:22:23,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:22:23,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:22:23,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:23,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:22:23,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:22:23,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:22:23,279 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:22:23,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:22:23,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:22:23,280 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_802e0c9b-888a-49df-b777-a1e596dab0e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 443b39ef03d047933d04d3c4124d0553fdbdc2364608b268fc568d4113c9c65f [2021-10-29 03:22:23,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:22:23,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:22:23,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:22:23,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:22:23,568 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:22:23,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2021-10-29 03:22:23,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/data/536932dcf/7ab6f3df89284b03906e882ef7ca292f/FLAGbf26a351e [2021-10-29 03:22:24,425 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:22:24,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2021-10-29 03:22:24,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/data/536932dcf/7ab6f3df89284b03906e882ef7ca292f/FLAGbf26a351e [2021-10-29 03:22:24,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/data/536932dcf/7ab6f3df89284b03906e882ef7ca292f [2021-10-29 03:22:24,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:22:24,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:22:24,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:24,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:22:24,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:22:24,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5770e514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24, skipping insertion in model container [2021-10-29 03:22:24,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:22:24,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:22:25,022 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_802e0c9b-888a-49df-b777-a1e596dab0e9/sv-benchmarks/c/eca-rers2012/Problem15_label43.c[7052,7065] [2021-10-29 03:22:25,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:25,546 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:22:25,585 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_802e0c9b-888a-49df-b777-a1e596dab0e9/sv-benchmarks/c/eca-rers2012/Problem15_label43.c[7052,7065] [2021-10-29 03:22:25,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:25,984 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:22:25,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25 WrapperNode [2021-10-29 03:22:25,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:25,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:25,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:22:25,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:22:25,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:26,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:22:26,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:22:26,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:22:26,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:22:26,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:22:26,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:22:26,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:22:26,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:26,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:26,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:22:26,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:22:26,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:22:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:22:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:22:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:22:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:25:15,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:25:15,366 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:25:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:15 BoogieIcfgContainer [2021-10-29 03:25:15,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:25:15,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:25:15,370 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:25:15,382 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:25:15,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:15" (1/1) ... [2021-10-29 03:25:15,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:25:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:25:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:25:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:25:15,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:15,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:15,692 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 03:25:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:25:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:25:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:25:16,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:16,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:19,365 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 03:25:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-10-29 03:25:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-10-29 03:25:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:25:21,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:21,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:26:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2021-10-29 03:26:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2021-10-29 03:26:13,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:26:13,066 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-29 03:26:13,072 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:26:13,276 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:26:13,285 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:26:13,296 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:26:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:26:13 ImpRootNode [2021-10-29 03:26:13,297 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:26:13,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:26:13,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:26:13,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:26:13,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:25:15" (3/4) ... [2021-10-29 03:26:13,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:26:13,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 389 nodes and edges [2021-10-29 03:26:13,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2021-10-29 03:26:13,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:26:13,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:26:13,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:26:13,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:26:13,661 INFO L168 Benchmark]: Toolchain (without parser) took 229083.24 ms. Allocated memory was 83.9 MB in the beginning and 4.4 GB in the end (delta: 4.4 GB). Free memory was 40.8 MB in the beginning and 1.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,662 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:13,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1407.23 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 40.6 MB in the beginning and 58.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 254.53 ms. Allocated memory is still 107.0 MB. Free memory was 58.5 MB in the beginning and 49.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,668 INFO L168 Benchmark]: Boogie Preprocessor took 261.88 ms. Allocated memory was 107.0 MB in the beginning and 180.4 MB in the end (delta: 73.4 MB). Free memory was 49.7 MB in the beginning and 120.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,668 INFO L168 Benchmark]: RCFGBuilder took 168864.76 ms. Allocated memory was 180.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 119.5 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 966.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,670 INFO L168 Benchmark]: CodeCheck took 57927.80 ms. Allocated memory was 3.9 GB in the beginning and 4.4 GB in the end (delta: 568.3 MB). Free memory was 3.1 GB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,671 INFO L168 Benchmark]: Witness Printer took 360.92 ms. Allocated memory is still 4.4 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:13,673 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: 57.6s, 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: 40 SDtfs, 68 SDslu, 48 SDs, 0 SdLazy, 168 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 47.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 10/13 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: 191]: 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((0 < a4 + 86 || 0 < a0 + 61) || !(2 == a2)) || 98 + a0 <= 0) || 0 < a29 + 144 - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((0 < a4 + 86 || 0 < a0 + 61) || !(2 == a2)) || 98 + a0 <= 0) || 0 < a29 + 144 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1407.23 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 40.6 MB in the beginning and 58.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 254.53 ms. Allocated memory is still 107.0 MB. Free memory was 58.5 MB in the beginning and 49.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 261.88 ms. Allocated memory was 107.0 MB in the beginning and 180.4 MB in the end (delta: 73.4 MB). Free memory was 49.7 MB in the beginning and 120.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 168864.76 ms. Allocated memory was 180.4 MB in the beginning and 3.9 GB in the end (delta: 3.7 GB). Free memory was 119.5 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 966.4 MB. Max. memory is 16.1 GB. * CodeCheck took 57927.80 ms. Allocated memory was 3.9 GB in the beginning and 4.4 GB in the end (delta: 568.3 MB). Free memory was 3.1 GB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 16.1 GB. * Witness Printer took 360.92 ms. Allocated memory is still 4.4 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:26:13,888 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-10-29 03:26:13,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e0c9b-888a-49df-b777-a1e596dab0e9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...