./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_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_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/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_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/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_76944e24-cc37-4291-ad21-10d7c7d8d668/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 ed3a92c264decf07ef3fe9934b7adac3cfdd66377f9f8a3c9a530596f6e34d7c .................................................................................................................................................................................................................................................... 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 03:05:56,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:05:56,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:05:56,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:05:56,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:05:56,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:05:56,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:05:56,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:05:56,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:05:56,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:05:56,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:05:56,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:05:56,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:05:56,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:05:56,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:05:56,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:05:56,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:05:56,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:05:56,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:05:56,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:05:56,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:05:56,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:05:56,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:05:56,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:05:56,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:05:56,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:05:56,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:05:56,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:05:56,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:05:56,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:05:56,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:05:56,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:05:56,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:05:56,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:05:56,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:05:56,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:05:56,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:05:56,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:05:56,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:05:56,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:05:56,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:05:56,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:05:56,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:05:56,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:05:56,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:05:56,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:05:56,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:05:56,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:05:56,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:05:56,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:05:56,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:05:56,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:05:56,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:05:56,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:05:56,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:05:56,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:05:56,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:05:56,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:05:56,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:05:56,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:05:56,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:05:56,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:05:56,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:05:56,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:05:56,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:05:56,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:05:56,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:05:56,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:05:56,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:05:56,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:05:56,472 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_76944e24-cc37-4291-ad21-10d7c7d8d668/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3a92c264decf07ef3fe9934b7adac3cfdd66377f9f8a3c9a530596f6e34d7c [2021-10-29 03:05:56,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:05:56,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:05:56,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:05:56,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:05:56,899 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:05:56,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2021-10-29 03:05:57,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/data/481b602a4/3db2080f42204201af64f7ad6a25e84b/FLAG0ac88b461 [2021-10-29 03:05:57,838 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:05:57,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2021-10-29 03:05:57,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/data/481b602a4/3db2080f42204201af64f7ad6a25e84b/FLAG0ac88b461 [2021-10-29 03:05:58,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/data/481b602a4/3db2080f42204201af64f7ad6a25e84b [2021-10-29 03:05:58,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:05:58,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:05:58,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:05:58,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:05:58,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:05:58,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:58,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604eace7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58, skipping insertion in model container [2021-10-29 03:05:58,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:58,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:05:58,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:05:58,467 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_76944e24-cc37-4291-ad21-10d7c7d8d668/sv-benchmarks/c/eca-rers2012/Problem14_label49.c[6042,6055] [2021-10-29 03:05:58,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:05:58,752 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:05:58,781 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_76944e24-cc37-4291-ad21-10d7c7d8d668/sv-benchmarks/c/eca-rers2012/Problem14_label49.c[6042,6055] [2021-10-29 03:05:58,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:05:58,906 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:05:58,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58 WrapperNode [2021-10-29 03:05:58,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:05:58,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:05:58,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:05:58,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:05:58,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:58,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:05:59,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:05:59,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:05:59,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:05:59,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:05:59,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:05:59,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:05:59,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:05:59,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:05:58" (1/1) ... [2021-10-29 03:05:59,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:05:59,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:05:59,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:05:59,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:05:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:05:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:05:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:05:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:06:18,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:06:18,593 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:06:18,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:18 BoogieIcfgContainer [2021-10-29 03:06:18,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:06:18,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:06:18,599 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:06:18,612 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:06:18,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:18" (1/1) ... [2021-10-29 03:06:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:06:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:06:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:06:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:06:18,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:18,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:19,007 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 03:06:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:06:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:06:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:06:19,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:19,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:19,877 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 03:06:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:06:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:06:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:06:20,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:20,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:21,406 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 03:06:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-10-29 03:06:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-10-29 03:06:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:06:22,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:22,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:23,407 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 03:06:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2021-10-29 03:06:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2021-10-29 03:06:23,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:06:23,793 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:06:23,799 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:06:24,100 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:06:24,113 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:24,114 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:06:24,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:06:24 ImpRootNode [2021-10-29 03:06:24,115 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:06:24,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:06:24,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:06:24,117 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:06:24,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:18" (3/4) ... [2021-10-29 03:06:24,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:06:24,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 03:06:24,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:06:24,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:06:24,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:06:24,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:06:24,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:06:24,388 INFO L168 Benchmark]: Toolchain (without parser) took 26351.87 ms. Allocated memory was 100.7 MB in the beginning and 832.6 MB in the end (delta: 731.9 MB). Free memory was 57.7 MB in the beginning and 609.8 MB in the end (delta: -552.2 MB). Peak memory consumption was 178.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,389 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:24,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.99 ms. Allocated memory is still 100.7 MB. Free memory was 57.5 MB in the beginning and 55.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.46 ms. Allocated memory is still 100.7 MB. Free memory was 55.2 MB in the beginning and 45.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,390 INFO L168 Benchmark]: Boogie Preprocessor took 135.54 ms. Allocated memory is still 100.7 MB. Free memory was 45.5 MB in the beginning and 39.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,391 INFO L168 Benchmark]: RCFGBuilder took 19405.72 ms. Allocated memory was 100.7 MB in the beginning and 455.1 MB in the end (delta: 354.4 MB). Free memory was 39.5 MB in the beginning and 292.7 MB in the end (delta: -253.1 MB). Peak memory consumption was 236.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,391 INFO L168 Benchmark]: CodeCheck took 5516.53 ms. Allocated memory was 455.1 MB in the beginning and 832.6 MB in the end (delta: 377.5 MB). Free memory was 292.7 MB in the beginning and 630.8 MB in the end (delta: -338.1 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,392 INFO L168 Benchmark]: Witness Printer took 270.13 ms. Allocated memory is still 832.6 MB. Free memory was 630.8 MB in the beginning and 609.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:24,395 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: 5.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 166 SDslu, 120 SDs, 0 SdLazy, 516 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 338 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 30]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 7 < a15) || 6 < a21) || !(a24 == 1)) || a15 <= 6) || 80 < a12) || a21 <= 5 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 7 < a15) || 7 <= a21) || !(a24 == 1)) || a15 <= 6) || 80 < a12) || a21 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 857.99 ms. Allocated memory is still 100.7 MB. Free memory was 57.5 MB in the beginning and 55.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.46 ms. Allocated memory is still 100.7 MB. Free memory was 55.2 MB in the beginning and 45.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.54 ms. Allocated memory is still 100.7 MB. Free memory was 45.5 MB in the beginning and 39.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19405.72 ms. Allocated memory was 100.7 MB in the beginning and 455.1 MB in the end (delta: 354.4 MB). Free memory was 39.5 MB in the beginning and 292.7 MB in the end (delta: -253.1 MB). Peak memory consumption was 236.5 MB. Max. memory is 16.1 GB. * CodeCheck took 5516.53 ms. Allocated memory was 455.1 MB in the beginning and 832.6 MB in the end (delta: 377.5 MB). Free memory was 292.7 MB in the beginning and 630.8 MB in the end (delta: -338.1 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. * Witness Printer took 270.13 ms. Allocated memory is still 832.6 MB. Free memory was 630.8 MB in the beginning and 609.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:06:24,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76944e24-cc37-4291-ad21-10d7c7d8d668/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...