./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.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_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/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_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/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_c3edacb6-1805-45e6-8eab-809629ff6d31/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 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac ............................................................................................................................................................................................................................................................................................................................................................................................ 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 03:15:11,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:15:11,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:15:11,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:15:11,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:15:11,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:15:11,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:15:11,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:15:11,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:15:11,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:15:11,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:15:11,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:15:11,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:15:11,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:15:11,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:15:11,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:15:11,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:15:11,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:15:11,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:15:11,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:15:11,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:15:11,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:15:11,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:15:11,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:15:11,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:15:11,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:15:11,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:15:11,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:15:11,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:15:11,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:15:11,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:15:11,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:15:11,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:15:11,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:15:11,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:15:11,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:15:11,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:15:11,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:15:11,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:15:11,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:15:11,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:15:11,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:15:11,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:15:11,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:15:11,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:15:11,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:15:11,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:15:11,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:15:11,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:15:11,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:15:11,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:15:11,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:15:11,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:15:11,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:15:11,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:15:11,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:15:11,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:15:11,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:15:11,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:15:11,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:15:11,533 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:15:11,533 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:15:11,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:15:11,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:15:11,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:15:11,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:15:11,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:15:11,534 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:15:11,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:15:11,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:15:11,535 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_c3edacb6-1805-45e6-8eab-809629ff6d31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac [2021-10-29 03:15:11,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:15:11,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:15:11,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:15:11,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:15:11,869 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:15:11,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2021-10-29 03:15:11,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/data/8404faca2/6ff4d43da2e14a86aaf0fceff47d9b64/FLAGeb68c3e11 [2021-10-29 03:15:12,577 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:15:12,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2021-10-29 03:15:12,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/data/8404faca2/6ff4d43da2e14a86aaf0fceff47d9b64/FLAGeb68c3e11 [2021-10-29 03:15:12,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/data/8404faca2/6ff4d43da2e14a86aaf0fceff47d9b64 [2021-10-29 03:15:12,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:15:12,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:15:12,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:15:12,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:15:12,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:15:12,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:15:12" (1/1) ... [2021-10-29 03:15:12,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbb8b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:12, skipping insertion in model container [2021-10-29 03:15:12,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:15:12" (1/1) ... [2021-10-29 03:15:12,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:15:12,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:15:13,232 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_c3edacb6-1805-45e6-8eab-809629ff6d31/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2021-10-29 03:15:13,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:15:13,260 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:15:13,417 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_c3edacb6-1805-45e6-8eab-809629ff6d31/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2021-10-29 03:15:13,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:15:13,439 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:15:13,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13 WrapperNode [2021-10-29 03:15:13,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:15:13,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:15:13,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:15:13,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:15:13,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:15:13,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:15:13,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:15:13,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:15:13,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:15:13,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:15:13,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:15:13,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:15:13,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:13" (1/1) ... [2021-10-29 03:15:13,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:15:13,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:15:13,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:15:13,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:15:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:15:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:15:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:15:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:15:15,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:15:15,628 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:15:15,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:15 BoogieIcfgContainer [2021-10-29 03:15:15,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:15:15,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:15:15,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:15:15,646 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:15:15,646 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:15" (1/1) ... [2021-10-29 03:15:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:15:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2021-10-29 03:15:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2021-10-29 03:15:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:15:15,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:15,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:16,097 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 03:15:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2021-10-29 03:15:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2021-10-29 03:15:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 03:15:16,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:16,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 242 states and 357 transitions. [2021-10-29 03:15:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 357 transitions. [2021-10-29 03:15:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:15:17,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:17,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 246 states and 363 transitions. [2021-10-29 03:15:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 363 transitions. [2021-10-29 03:15:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:15:17,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:17,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 325 states and 444 transitions. [2021-10-29 03:15:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 444 transitions. [2021-10-29 03:15:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 03:15:18,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:18,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:15:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2021-10-29 03:15:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2021-10-29 03:15:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 03:15:19,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:19,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 338 states and 464 transitions. [2021-10-29 03:15:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 464 transitions. [2021-10-29 03:15:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-29 03:15:19,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:19,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:15:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 347 states and 477 transitions. [2021-10-29 03:15:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2021-10-29 03:15:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 03:15:19,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:19,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:15:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 352 states and 482 transitions. [2021-10-29 03:15:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 482 transitions. [2021-10-29 03:15:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 03:15:19,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:19,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:15:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 365 states and 499 transitions. [2021-10-29 03:15:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 499 transitions. [2021-10-29 03:15:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 03:15:19,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:19,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 372 states and 506 transitions. [2021-10-29 03:15:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 506 transitions. [2021-10-29 03:15:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 03:15:20,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:20,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:15:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 379 states and 513 transitions. [2021-10-29 03:15:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 513 transitions. [2021-10-29 03:15:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 03:15:20,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:20,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2021-10-29 03:15:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2021-10-29 03:15:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 03:15:20,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:20,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 385 states and 519 transitions. [2021-10-29 03:15:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 519 transitions. [2021-10-29 03:15:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 03:15:20,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:20,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 464 states and 601 transitions. [2021-10-29 03:15:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 601 transitions. [2021-10-29 03:15:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 03:15:21,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:21,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:15:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 478 states and 615 transitions. [2021-10-29 03:15:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 615 transitions. [2021-10-29 03:15:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 03:15:21,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:21,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:15:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 598 states and 744 transitions. [2021-10-29 03:15:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 744 transitions. [2021-10-29 03:15:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-29 03:15:23,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:23,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-29 03:15:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 599 states and 746 transitions. [2021-10-29 03:15:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2021-10-29 03:15:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-29 03:15:23,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:23,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:15:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 600 states and 746 transitions. [2021-10-29 03:15:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 746 transitions. [2021-10-29 03:15:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-29 03:15:23,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:23,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:15:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 601 states and 746 transitions. [2021-10-29 03:15:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 746 transitions. [2021-10-29 03:15:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 03:15:23,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:23,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:15:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 602 states and 746 transitions. [2021-10-29 03:15:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 746 transitions. [2021-10-29 03:15:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-29 03:15:23,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:23,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 37 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 720 states and 873 transitions. [2021-10-29 03:15:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 873 transitions. [2021-10-29 03:15:27,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:15:27,423 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2021-10-29 03:15:27,429 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:15:30,661 INFO L565 CodeCheckObserver]: Invariant with dag size 14 [2021-10-29 03:15:30,678 INFO L565 CodeCheckObserver]: Invariant with dag size 14 [2021-10-29 03:15:30,679 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:15:30,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:15:30 ImpRootNode [2021-10-29 03:15:30,679 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:15:30,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:15:30,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:15:30,680 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:15:30,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:15" (3/4) ... [2021-10-29 03:15:30,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:15:30,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2021-10-29 03:15:30,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-29 03:15:30,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:15:30,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:15:30,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:15:30,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:15:30,853 INFO L168 Benchmark]: Toolchain (without parser) took 18011.53 ms. Allocated memory was 92.3 MB in the beginning and 226.5 MB in the end (delta: 134.2 MB). Free memory was 58.3 MB in the beginning and 91.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 100.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,853 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:15:30,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.91 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 58.1 MB in the beginning and 94.9 MB in the end (delta: -36.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.99 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 89.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,854 INFO L168 Benchmark]: Boogie Preprocessor took 65.02 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 85.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,855 INFO L168 Benchmark]: RCFGBuilder took 2014.26 ms. Allocated memory is still 134.2 MB. Free memory was 85.4 MB in the beginning and 77.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,855 INFO L168 Benchmark]: CodeCheck took 15045.55 ms. Allocated memory was 134.2 MB in the beginning and 226.5 MB in the end (delta: 92.3 MB). Free memory was 77.1 MB in the beginning and 106.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 107.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,856 INFO L168 Benchmark]: Witness Printer took 171.42 ms. Allocated memory is still 226.5 MB. Free memory was 106.6 MB in the beginning and 91.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:30,858 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11617168 SDtfs, 387313216 SDslu, 34838624 SDs, 0 SdLazy, 1063551424 SolverSat, 253574440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20084 GetRequests, 19203 SyntacticMatches, 753 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16613 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2480 NumberOfCodeBlocks, 2480 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2459 ConstructedInterpolants, 0 QuantifiedInterpolants, 7232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 787/915 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: 584]: 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: 39]: Loop Invariant Derived loop invariant: ((a28 < 10 || 11 <= a28) || !(7 == a17)) || !(a25 == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((a28 < 10 || 11 <= a28) || !(7 == a17)) || !(a25 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.91 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 58.1 MB in the beginning and 94.9 MB in the end (delta: -36.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.99 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 89.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.02 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 85.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2014.26 ms. Allocated memory is still 134.2 MB. Free memory was 85.4 MB in the beginning and 77.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. * CodeCheck took 15045.55 ms. Allocated memory was 134.2 MB in the beginning and 226.5 MB in the end (delta: 92.3 MB). Free memory was 77.1 MB in the beginning and 106.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 107.6 MB. Max. memory is 16.1 GB. * Witness Printer took 171.42 ms. Allocated memory is still 226.5 MB. Free memory was 106.6 MB in the beginning and 91.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:15:30,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edacb6-1805-45e6-8eab-809629ff6d31/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...