./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49.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_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/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_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/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_bc310981-2cea-4050-9b49-d5a716bf527c/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 4910e0bbb7a4c656d48064116d1212b3394ff1881ffffb38aebc0e1b0fb73ac8 ............................................................................................................................................................................................................................................................ 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 04:20:51,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:20:51,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:20:51,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:20:51,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:20:51,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:20:51,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:20:51,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:20:51,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:20:51,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:20:51,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:20:51,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:20:51,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:20:51,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:20:51,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:20:51,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:20:51,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:20:51,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:20:51,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:20:51,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:20:51,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:20:51,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:20:51,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:20:51,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:20:51,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:20:51,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:20:51,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:20:51,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:20:51,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:20:51,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:20:51,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:20:51,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:20:51,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:20:51,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:20:51,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:20:51,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:20:51,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:20:51,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:20:51,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:20:51,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:20:51,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:20:51,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:20:51,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:20:51,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:20:51,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:20:51,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:20:51,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:20:51,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:20:51,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:20:51,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:20:51,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:20:51,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:20:51,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:20:51,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:20:51,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:20:51,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:20:51,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:20:51,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:20:51,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:20:51,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:20:51,290 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:20:51,291 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:20:51,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:20:51,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:51,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:20:51,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:20:51,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:20:51,292 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:20:51,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:20:51,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:20:51,293 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_bc310981-2cea-4050-9b49-d5a716bf527c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4910e0bbb7a4c656d48064116d1212b3394ff1881ffffb38aebc0e1b0fb73ac8 [2021-10-29 04:20:51,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:20:51,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:20:51,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:20:51,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:20:51,612 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:20:51,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem16_label49.c [2021-10-29 04:20:51,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/data/b08da604e/6f6fd1bb90d04ff0983a56e9cafffa45/FLAG4bb62ebc6 [2021-10-29 04:20:52,374 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:20:52,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/sv-benchmarks/c/eca-rers2012/Problem16_label49.c [2021-10-29 04:20:52,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/data/b08da604e/6f6fd1bb90d04ff0983a56e9cafffa45/FLAG4bb62ebc6 [2021-10-29 04:20:52,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/data/b08da604e/6f6fd1bb90d04ff0983a56e9cafffa45 [2021-10-29 04:20:52,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:20:52,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:20:52,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:52,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:20:52,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:20:52,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:52" (1/1) ... [2021-10-29 04:20:52,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c6dfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:52, skipping insertion in model container [2021-10-29 04:20:52,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:52" (1/1) ... [2021-10-29 04:20:52,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:20:52,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:20:52,910 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_bc310981-2cea-4050-9b49-d5a716bf527c/sv-benchmarks/c/eca-rers2012/Problem16_label49.c[6302,6315] [2021-10-29 04:20:53,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:53,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:20:53,423 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_bc310981-2cea-4050-9b49-d5a716bf527c/sv-benchmarks/c/eca-rers2012/Problem16_label49.c[6302,6315] [2021-10-29 04:20:53,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:53,677 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:20:53,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53 WrapperNode [2021-10-29 04:20:53,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:53,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:53,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:20:53,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:20:53,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:53,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:20:53,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:20:53,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:20:53,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:54,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:54,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:54,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:20:54,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:20:54,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:20:54,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:20:54,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:54,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:54,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:20:54,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:20:54,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:20:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:20:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:20:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:20:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:21:59,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:21:59,066 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 04:21:59,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:21:59 BoogieIcfgContainer [2021-10-29 04:21:59,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:21:59,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:21:59,069 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:21:59,102 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:21:59,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:21:59" (1/1) ... [2021-10-29 04:21:59,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:21:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:21:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:21:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:21:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:21:59,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:21:59,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:21:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:21:59,436 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 04:21:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:21:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:21:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:21:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:21:59,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:21:59,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:21:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:00,904 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 04:22:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 04:22:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 04:22:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:05,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:05,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:22:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-10-29 04:22:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-10-29 04:22:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:10,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:10,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:22:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2021-10-29 04:22:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2021-10-29 04:22:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:22:12,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:12,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:22:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2021-10-29 04:22:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2021-10-29 04:22:16,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:22:16,381 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 04:22:16,388 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:22:16,739 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 04:22:16,752 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 04:22:16,753 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:22:16,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:22:16 ImpRootNode [2021-10-29 04:22:16,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:22:16,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:22:16,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:22:16,755 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:22:16,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:21:59" (3/4) ... [2021-10-29 04:22:16,760 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:22:16,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 373 nodes and edges [2021-10-29 04:22:16,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 04:22:16,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 04:22:16,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:22:17,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:22:17,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:22:17,107 INFO L168 Benchmark]: Toolchain (without parser) took 84571.95 ms. Allocated memory was 100.7 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 66.0 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 855.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,107 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:22:17,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.19 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.8 MB in the beginning and 87.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 50.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 206.84 ms. Allocated memory is still 121.6 MB. Free memory was 87.8 MB in the beginning and 64.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,109 INFO L168 Benchmark]: Boogie Preprocessor took 146.55 ms. Allocated memory is still 121.6 MB. Free memory was 64.1 MB in the beginning and 50.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,110 INFO L168 Benchmark]: RCFGBuilder took 65035.44 ms. Allocated memory was 121.6 MB in the beginning and 5.6 GB in the end (delta: 5.5 GB). Free memory was 50.9 MB in the beginning and 4.9 GB in the end (delta: -4.9 GB). Peak memory consumption was 917.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,110 INFO L168 Benchmark]: CodeCheck took 17685.12 ms. Allocated memory was 5.6 GB in the beginning and 6.1 GB in the end (delta: 453.0 MB). Free memory was 4.9 GB in the beginning and 5.2 GB in the end (delta: -313.4 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,111 INFO L168 Benchmark]: Witness Printer took 350.33 ms. Allocated memory is still 6.1 GB. Free memory was 5.2 GB in the beginning and 5.2 GB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:17,113 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: 17.2s, 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: 204 SDtfs, 416 SDslu, 280 SDs, 0 SdLazy, 1144 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 473 SyntacticMatches, 12 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 197]: 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: 1783]: Loop Invariant Derived loop invariant: ((((((a15 <= 2 || a18 + 79 <= 0) || a16 <= 9) || 135 <= a18) || 8 <= a12) || a12 <= 6) || 4 <= a15) || 11 <= a16 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((a15 <= 2 || a18 + 79 <= 0) || 3 < a15) || a16 <= 9) || 135 <= a18) || 10 < a16) || a12 <= 6) || 7 < a12 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1137.19 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.8 MB in the beginning and 87.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 50.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 206.84 ms. Allocated memory is still 121.6 MB. Free memory was 87.8 MB in the beginning and 64.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 146.55 ms. Allocated memory is still 121.6 MB. Free memory was 64.1 MB in the beginning and 50.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 65035.44 ms. Allocated memory was 121.6 MB in the beginning and 5.6 GB in the end (delta: 5.5 GB). Free memory was 50.9 MB in the beginning and 4.9 GB in the end (delta: -4.9 GB). Peak memory consumption was 917.5 MB. Max. memory is 16.1 GB. * CodeCheck took 17685.12 ms. Allocated memory was 5.6 GB in the beginning and 6.1 GB in the end (delta: 453.0 MB). Free memory was 4.9 GB in the beginning and 5.2 GB in the end (delta: -313.4 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.1 GB. * Witness Printer took 350.33 ms. Allocated memory is still 6.1 GB. Free memory was 5.2 GB in the beginning and 5.2 GB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:22:17,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc310981-2cea-4050-9b49-d5a716bf527c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...