./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/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 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748 ............................................................................................................................................................................................................................................................ 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 03:50:49,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:50:49,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:50:49,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:50:49,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:50:49,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:50:49,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:50:49,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:50:49,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:50:49,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:50:49,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:50:49,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:50:49,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:50:49,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:50:49,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:50:49,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:50:49,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:50:49,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:50:49,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:50:49,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:50:49,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:50:49,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:50:49,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:50:49,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:50:49,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:50:49,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:50:49,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:50:49,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:50:49,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:50:49,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:50:49,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:50:49,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:50:49,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:50:49,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:50:49,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:50:49,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:50:49,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:50:49,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:50:49,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:50:49,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:50:49,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:50:49,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:50:49,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:50:49,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:50:49,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:50:49,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:50:49,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:50:49,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:50:49,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:50:49,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:50:49,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:50:49,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:50:49,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:50:49,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:50:49,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:50:49,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:50:49,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:50:49,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:50:49,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:50:49,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:50:49,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:50:49,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:50:49,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:50:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:50:49,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:50:49,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:50:49,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:50:49,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:50:49,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:50:49,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:50:49,508 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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748 [2021-10-29 03:50:49,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:50:49,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:50:49,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:50:49,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:50:49,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:50:49,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2021-10-29 03:50:49,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/data/48c1fc7b4/bc9ef72a2921401eab334bfe752232ce/FLAG79b7a84ad [2021-10-29 03:50:50,788 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:50:50,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2021-10-29 03:50:50,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/data/48c1fc7b4/bc9ef72a2921401eab334bfe752232ce/FLAG79b7a84ad [2021-10-29 03:50:50,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/data/48c1fc7b4/bc9ef72a2921401eab334bfe752232ce [2021-10-29 03:50:50,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:50:50,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:50:50,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:50:50,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:50:50,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:50:50,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:50:50" (1/1) ... [2021-10-29 03:50:50,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2cfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:50, skipping insertion in model container [2021-10-29 03:50:50,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:50:50" (1/1) ... [2021-10-29 03:50:50,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:50:50,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:50:51,272 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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134] [2021-10-29 03:50:51,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:50:51,902 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:50:51,948 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_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134] [2021-10-29 03:50:52,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:50:52,220 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:50:52,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52 WrapperNode [2021-10-29 03:50:52,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:50:52,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:50:52,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:50:52,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:50:52,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:50:52,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:50:52,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:50:52,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:50:52,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:50:52,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:50:52,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:50:52,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:50:52,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:52" (1/1) ... [2021-10-29 03:50:52,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:50:52,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:50:52,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:50:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:50:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:50:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:50:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:50:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:52:05,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:52:05,402 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:52:05,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:52:05 BoogieIcfgContainer [2021-10-29 03:52:05,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:52:05,406 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:52:05,406 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:52:05,418 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:52:05,418 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:52:05" (1/1) ... [2021-10-29 03:52:05,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:52:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:52:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:52:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:52:05,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:05,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:05,769 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 03:52:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:52:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:52:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:52:05,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:05,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:07,272 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 03:52:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:52:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:52:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:52:07,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:07,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:10,813 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 03:52:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2021-10-29 03:52:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2021-10-29 03:52:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:52:12,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:12,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:14,396 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 03:52:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-10-29 03:52:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-10-29 03:52:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:52:14,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:52:14,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:52:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:52:18,581 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 03:52:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:52:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-10-29 03:52:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-10-29 03:52:19,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:52:19,855 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 03:52:19,862 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:52:20,247 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 03:52:20,262 INFO L565 CodeCheckObserver]: Invariant with dag size 24 [2021-10-29 03:52:20,263 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:52:20,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:52:20 ImpRootNode [2021-10-29 03:52:20,264 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:52:20,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:52:20,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:52:20,266 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:52:20,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:52:05" (3/4) ... [2021-10-29 03:52:20,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:52:20,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 374 nodes and edges [2021-10-29 03:52:20,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:52:20,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:52:20,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:52:20,682 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:52:20,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:52:20,684 INFO L168 Benchmark]: Toolchain (without parser) took 89811.76 ms. Allocated memory was 100.7 MB in the beginning and 6.4 GB in the end (delta: 6.3 GB). Free memory was 69.2 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,684 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 49.9 MB in the beginning and 49.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:52:20,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1348.03 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 49.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 276.67 ms. Allocated memory is still 100.7 MB. Free memory was 49.0 MB in the beginning and 54.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,686 INFO L168 Benchmark]: Boogie Preprocessor took 217.43 ms. Allocated memory is still 100.7 MB. Free memory was 54.3 MB in the beginning and 41.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,687 INFO L168 Benchmark]: RCFGBuilder took 72686.64 ms. Allocated memory was 100.7 MB in the beginning and 6.4 GB in the end (delta: 6.3 GB). Free memory was 41.0 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 759.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,687 INFO L168 Benchmark]: CodeCheck took 14858.77 ms. Allocated memory is still 6.4 GB. Free memory was 5.9 GB in the beginning and 5.4 GB in the end (delta: 450.9 MB). Peak memory consumption was 450.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,688 INFO L168 Benchmark]: Witness Printer took 416.91 ms. Allocated memory is still 6.4 GB. Free memory was 5.4 GB in the beginning and 5.4 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:52:20,690 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: 14.4s, 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: 188 SDtfs, 366 SDslu, 248 SDs, 0 SdLazy, 1040 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 453 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 783 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: 161]: 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: 33]: Loop Invariant Derived loop invariant: (((((a15 <= 2 || 3 < a15) || 0 <= a18 + 78) || a18 + 156 <= 0) || a12 <= 7) || !(a16 == 9)) || 8 < a12 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((a16 <= 8 || a15 <= 2) || 0 <= a18 + 78) || a18 + 156 <= 0) || 10 <= a16) || a12 <= 7) || 9 <= a12) || 4 <= a15 - 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 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 49.9 MB in the beginning and 49.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1348.03 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 49.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 276.67 ms. Allocated memory is still 100.7 MB. Free memory was 49.0 MB in the beginning and 54.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 217.43 ms. Allocated memory is still 100.7 MB. Free memory was 54.3 MB in the beginning and 41.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 72686.64 ms. Allocated memory was 100.7 MB in the beginning and 6.4 GB in the end (delta: 6.3 GB). Free memory was 41.0 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 759.7 MB. Max. memory is 16.1 GB. * CodeCheck took 14858.77 ms. Allocated memory is still 6.4 GB. Free memory was 5.9 GB in the beginning and 5.4 GB in the end (delta: 450.9 MB). Peak memory consumption was 450.9 MB. Max. memory is 16.1 GB. * Witness Printer took 416.91 ms. Allocated memory is still 6.4 GB. Free memory was 5.4 GB in the beginning and 5.4 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:52:20,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ed12bc-c75f-4a34-aa42-bdba6685a2ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...