./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/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 ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 .................................................................................................................................................................................................................................................... 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 03:29:19,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:29:19,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:29:19,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:29:19,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:29:19,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:29:19,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:29:19,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:29:19,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:29:19,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:29:19,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:29:19,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:29:19,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:29:20,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:29:20,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:29:20,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:29:20,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:29:20,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:29:20,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:29:20,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:29:20,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:29:20,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:29:20,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:29:20,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:29:20,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:29:20,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:29:20,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:29:20,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:29:20,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:29:20,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:29:20,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:29:20,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:29:20,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:29:20,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:29:20,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:29:20,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:29:20,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:29:20,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:29:20,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:29:20,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:29:20,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:29:20,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:29:20,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:29:20,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:29:20,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:29:20,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:29:20,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:29:20,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:29:20,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:29:20,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:29:20,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:29:20,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:29:20,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:29:20,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:29:20,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:29:20,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:29:20,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:29:20,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:29:20,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:29:20,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:29:20,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:29:20,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:29:20,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:29:20,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:20,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:29:20,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:29:20,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:29:20,088 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:29:20,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:29:20,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:29:20,089 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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 [2021-10-29 03:29:20,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:29:20,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:29:20,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:29:20,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:29:20,391 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:29:20,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-10-29 03:29:20,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/data/adfee0cdf/a8e7d3df4d9a4f9096a97fef390aafdf/FLAG45a5439bd [2021-10-29 03:29:21,104 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:29:21,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-10-29 03:29:21,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/data/adfee0cdf/a8e7d3df4d9a4f9096a97fef390aafdf/FLAG45a5439bd [2021-10-29 03:29:21,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/data/adfee0cdf/a8e7d3df4d9a4f9096a97fef390aafdf [2021-10-29 03:29:21,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:29:21,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:29:21,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:21,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:29:21,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:29:21,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a97dd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21, skipping insertion in model container [2021-10-29 03:29:21,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:29:21,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:29:21,743 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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-10-29 03:29:21,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:21,978 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:29:22,000 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_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-10-29 03:29:22,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:22,121 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:29:22,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22 WrapperNode [2021-10-29 03:29:22,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:22,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:22,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:29:22,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:29:22,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:22,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:29:22,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:29:22,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:29:22,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:29:22,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:29:22,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:29:22,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:29:22,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:22,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:29:22,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:29:22,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:29:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:29:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:29:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:29:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:29:36,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:29:36,382 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:29:36,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:36 BoogieIcfgContainer [2021-10-29 03:29:36,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:29:36,387 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:29:36,387 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:29:36,402 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:29:36,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:36" (1/1) ... [2021-10-29 03:29:36,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:29:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:29:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:29:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:29:36,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:36,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:36,674 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 03:29:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:29:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:29:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:29:36,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:36,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:37,602 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 03:29:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:29:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:29:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:29:37,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:37,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:38,563 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 03:29:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-10-29 03:29:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-10-29 03:29:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:29:39,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:39,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:27,609 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 03:42:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2021-10-29 03:42:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2021-10-29 03:42:27,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:42:27,892 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:42:27,899 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:42:28,102 INFO L565 CodeCheckObserver]: Invariant with dag size 18 [2021-10-29 03:42:28,111 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:42:28,112 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-29 03:42:28,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:42:28 ImpRootNode [2021-10-29 03:42:28,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:42:28,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:42:28,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:42:28,114 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:42:28,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:36" (3/4) ... [2021-10-29 03:42:28,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:42:28,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 03:42:28,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:42:28,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:42:28,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:42:28,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:42:28,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:42:28,328 INFO L168 Benchmark]: Toolchain (without parser) took 787003.76 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 80.0 MB in the beginning and 974.4 MB in the end (delta: -894.3 MB). Peak memory consumption was 989.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,328 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:42:28,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.30 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 64.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.0 MB in the beginning and 105.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,330 INFO L168 Benchmark]: Boogie Preprocessor took 141.94 ms. Allocated memory is still 134.2 MB. Free memory was 105.4 MB in the beginning and 99.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,330 INFO L168 Benchmark]: RCFGBuilder took 13961.21 ms. Allocated memory was 134.2 MB in the beginning and 494.9 MB in the end (delta: 360.7 MB). Free memory was 99.1 MB in the beginning and 157.2 MB in the end (delta: -58.1 MB). Peak memory consumption was 338.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,331 INFO L168 Benchmark]: CodeCheck took 771726.75 ms. Allocated memory was 494.9 MB in the beginning and 2.0 GB in the end (delta: 1.5 GB). Free memory was 157.2 MB in the beginning and 994.3 MB in the end (delta: -837.1 MB). Peak memory consumption was 662.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,331 INFO L168 Benchmark]: Witness Printer took 212.32 ms. Allocated memory is still 2.0 GB. Free memory was 994.3 MB in the beginning and 974.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:28,333 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: 771.4s, 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, 170 SDslu, 120 SDs, 0 SdLazy, 504 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 338 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 768.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 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: 158]: 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 <= 80 || !(a24 == 1)) || a21 <= 7) || 8 < a21) || a15 <= 5) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((9 <= a21 || 7 <= a15) || a12 <= 80) || !(a24 == 1)) || a21 <= 7) || a15 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 788.30 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 64.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.0 MB in the beginning and 105.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.94 ms. Allocated memory is still 134.2 MB. Free memory was 105.4 MB in the beginning and 99.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13961.21 ms. Allocated memory was 134.2 MB in the beginning and 494.9 MB in the end (delta: 360.7 MB). Free memory was 99.1 MB in the beginning and 157.2 MB in the end (delta: -58.1 MB). Peak memory consumption was 338.9 MB. Max. memory is 16.1 GB. * CodeCheck took 771726.75 ms. Allocated memory was 494.9 MB in the beginning and 2.0 GB in the end (delta: 1.5 GB). Free memory was 157.2 MB in the beginning and 994.3 MB in the end (delta: -837.1 MB). Peak memory consumption was 662.4 MB. Max. memory is 16.1 GB. * Witness Printer took 212.32 ms. Allocated memory is still 2.0 GB. Free memory was 994.3 MB in the beginning and 974.4 MB in the end (delta: 19.9 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 03:42:28,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe2d7e6-033c-4f9b-8be0-9563e162bf57/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...