./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label53.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_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/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_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/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_1ee97813-1282-4cb9-9027-10d35604b53a/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 ebf26144b3df28ed990f2940c4e319958e06d81ae8ebc1404d0a5715fd076f97 ..................................................................................................................................................................................................................................................... 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 03:25:07,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:25:07,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:25:07,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:25:07,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:25:07,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:25:07,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:25:07,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:25:07,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:25:07,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:25:07,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:25:07,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:25:07,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:25:07,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:25:07,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:25:07,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:25:07,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:25:07,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:25:07,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:25:07,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:25:07,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:25:07,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:25:07,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:25:07,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:25:07,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:25:07,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:25:07,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:25:07,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:25:07,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:25:07,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:25:07,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:25:07,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:25:07,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:25:07,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:25:07,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:25:07,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:25:07,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:25:07,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:25:07,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:25:07,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:25:07,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:25:07,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:25:07,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:25:07,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:25:07,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:25:07,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:25:07,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:25:07,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:25:07,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:25:07,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:25:07,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:25:07,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:25:07,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:25:07,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:25:07,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:25:07,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:25:07,283 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:25:07,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:25:07,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:25:07,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:25:07,283 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:25:07,283 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:25:07,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:25:07,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:25:07,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:25:07,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:25:07,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:25:07,285 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:25:07,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:25:07,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:25:07,285 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_1ee97813-1282-4cb9-9027-10d35604b53a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebf26144b3df28ed990f2940c4e319958e06d81ae8ebc1404d0a5715fd076f97 [2021-10-29 03:25:07,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:25:07,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:25:07,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:25:07,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:25:07,589 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:25:07,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2021-10-29 03:25:07,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/data/4c16f354f/ac54332a6d3e4f1f9bc458982a3d1d20/FLAG583d9ee1b [2021-10-29 03:25:08,435 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:25:08,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2021-10-29 03:25:08,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/data/4c16f354f/ac54332a6d3e4f1f9bc458982a3d1d20/FLAG583d9ee1b [2021-10-29 03:25:08,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/data/4c16f354f/ac54332a6d3e4f1f9bc458982a3d1d20 [2021-10-29 03:25:08,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:25:08,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:25:08,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:25:08,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:25:08,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:25:08,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:25:08" (1/1) ... [2021-10-29 03:25:08,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4259da29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:08, skipping insertion in model container [2021-10-29 03:25:08,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:25:08" (1/1) ... [2021-10-29 03:25:08,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:25:08,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:25:08,971 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_1ee97813-1282-4cb9-9027-10d35604b53a/sv-benchmarks/c/eca-rers2012/Problem18_label53.c[3698,3711] [2021-10-29 03:25:10,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:25:10,069 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:25:10,105 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_1ee97813-1282-4cb9-9027-10d35604b53a/sv-benchmarks/c/eca-rers2012/Problem18_label53.c[3698,3711] [2021-10-29 03:25:10,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:25:10,627 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:25:10,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10 WrapperNode [2021-10-29 03:25:10,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:25:10,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:25:10,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:25:10,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:25:10,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:10,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:10,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:25:10,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:25:10,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:25:10,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:25:10,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:10,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:25:11,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:25:11,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:25:11,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:25:11,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:25:10" (1/1) ... [2021-10-29 03:25:11,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:25:11,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:25:11,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:25:11,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:25:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:25:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:25:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:25:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:31:51,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:31:51,360 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-29 03:31:51,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:51 BoogieIcfgContainer [2021-10-29 03:31:51,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:31:51,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:31:51,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:31:51,374 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:31:51,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:51" (1/1) ... [2021-10-29 03:31:51,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:31:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:31:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:31:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:31:51,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:51,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:51,616 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 03:31:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:31:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:31:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:31:52,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:52,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:55,772 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 03:31:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-10-29 03:31:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-10-29 03:31:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:31:56,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:56,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:10,350 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 03:32:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-10-29 03:32:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-10-29 03:32:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:32:13,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:13,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:21,488 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 03:32:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-10-29 03:32:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-10-29 03:32:22,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:32:22,526 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:32:22,531 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:32:22,975 INFO L565 CodeCheckObserver]: Invariant with dag size 17 [2021-10-29 03:32:22,988 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:32:22,989 INFO L565 CodeCheckObserver]: Invariant with dag size 40 [2021-10-29 03:32:22,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:32:22 ImpRootNode [2021-10-29 03:32:22,994 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:32:22,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:32:22,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:32:22,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:32:22,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:51" (3/4) ... [2021-10-29 03:32:23,003 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:32:23,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 735 nodes and edges [2021-10-29 03:32:23,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:32:23,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:32:23,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:32:23,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:32:23,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:32:23,644 INFO L168 Benchmark]: Toolchain (without parser) took 435123.49 ms. Allocated memory was 88.1 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 56.0 MB in the beginning and 2.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,645 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:32:23,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2106.11 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 55.8 MB in the beginning and 45.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 325.98 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 45.4 MB in the beginning and 93.7 MB in the end (delta: -48.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,647 INFO L168 Benchmark]: Boogie Preprocessor took 341.11 ms. Allocated memory is still 161.5 MB. Free memory was 93.7 MB in the beginning and 78.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,647 INFO L168 Benchmark]: RCFGBuilder took 400063.98 ms. Allocated memory was 161.5 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 78.2 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,648 INFO L168 Benchmark]: CodeCheck took 31630.57 ms. Allocated memory is still 6.9 GB. Free memory was 3.6 GB in the beginning and 3.0 GB in the end (delta: 578.6 MB). Peak memory consumption was 578.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,648 INFO L168 Benchmark]: Witness Printer took 646.40 ms. Allocated memory is still 6.9 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:23,650 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: 31.1s, 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, 172 SDslu, 120 SDs, 0 SdLazy, 472 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 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: 118]: 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: 4269]: Loop Invariant Derived loop invariant: (((a3 <= 305 || !(a15 == 4)) || a18 <= 11) || 13 <= a18) || !(a24 == 2) - InvariantResult [Line: 4263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input) && a3 <= 99) || (((((a3 <= 306 || !(a18 == 12)) || !(a15 == 4)) || 417 < a3) || !(a24 == 2)) && !(((a24 == 3 && a15 == 4) && a18 == 9) && a3 <= 99)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2106.11 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 55.8 MB in the beginning and 45.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 325.98 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 45.4 MB in the beginning and 93.7 MB in the end (delta: -48.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 341.11 ms. Allocated memory is still 161.5 MB. Free memory was 93.7 MB in the beginning and 78.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 400063.98 ms. Allocated memory was 161.5 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 78.2 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. * CodeCheck took 31630.57 ms. Allocated memory is still 6.9 GB. Free memory was 3.6 GB in the beginning and 3.0 GB in the end (delta: 578.6 MB). Peak memory consumption was 578.6 MB. Max. memory is 16.1 GB. * Witness Printer took 646.40 ms. Allocated memory is still 6.9 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:32:23,888 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-10-29 03:32:23,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee97813-1282-4cb9-9027-10d35604b53a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...