./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/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 b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1 .................................................................................................................................................................................................................................................................................... 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 03:26:51,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:26:51,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:26:51,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:26:51,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:26:51,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:26:51,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:26:51,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:26:51,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:26:51,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:26:51,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:26:51,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:26:51,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:26:51,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:26:51,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:26:51,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:26:51,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:26:51,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:26:51,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:26:51,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:26:51,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:26:51,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:26:51,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:26:51,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:26:51,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:26:51,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:26:51,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:26:51,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:26:51,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:26:51,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:26:51,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:26:51,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:26:51,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:26:51,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:26:51,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:26:51,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:26:51,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:26:51,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:26:51,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:26:51,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:26:51,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:26:51,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:26:51,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:26:51,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:26:51,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:26:51,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:26:51,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:26:51,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:26:51,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:26:51,735 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:26:51,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:26:51,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:26:51,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:26:51,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:26:51,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:26:51,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:26:51,743 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:26:51,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:26:51,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:26:51,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:26:51,744 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:26:51,744 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:26:51,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:26:51,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:51,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:26:51,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:26:51,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:26:51,745 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:26:51,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:26:51,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:26:51,745 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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1 [2021-10-29 03:26:52,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:26:52,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:26:52,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:26:52,099 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:26:52,101 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:26:52,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2021-10-29 03:26:52,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/data/c5ffc85d5/8fbb580393a04320918d9551ed2d68d4/FLAG41201a82a [2021-10-29 03:26:52,905 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:26:52,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2021-10-29 03:26:52,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/data/c5ffc85d5/8fbb580393a04320918d9551ed2d68d4/FLAG41201a82a [2021-10-29 03:26:53,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/data/c5ffc85d5/8fbb580393a04320918d9551ed2d68d4 [2021-10-29 03:26:53,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:26:53,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:26:53,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:53,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:26:53,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:26:53,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:53" (1/1) ... [2021-10-29 03:26:53,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cf76dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:53, skipping insertion in model container [2021-10-29 03:26:53,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:53" (1/1) ... [2021-10-29 03:26:53,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:26:53,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:26:53,518 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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528] [2021-10-29 03:26:53,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:53,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:26:53,917 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_37583bfc-5e34-4e9e-94db-8fbff9457ee3/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528] [2021-10-29 03:26:54,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:54,087 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:26:54,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54 WrapperNode [2021-10-29 03:26:54,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:54,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:54,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:26:54,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:26:54,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:54,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:26:54,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:26:54,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:26:54,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:26:54,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:26:54,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:26:54,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:26:54,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:54" (1/1) ... [2021-10-29 03:26:54,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:26:54,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:26:54,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:26:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:26:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:26:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:26:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:27:16,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:27:16,173 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:27:16,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:16 BoogieIcfgContainer [2021-10-29 03:27:16,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:27:16,176 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:27:16,177 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:27:16,188 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:27:16,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:16" (1/1) ... [2021-10-29 03:27:16,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:27:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:27:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:27:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:27:16,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:16,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:16,423 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 03:27:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:27:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:27:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:27:16,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:16,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:17,855 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 03:27:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 03:27:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 03:27:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:27:18,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:18,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:20,849 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 03:27:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-10-29 03:27:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-10-29 03:27:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:27:22,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:22,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:24,203 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 03:27:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-10-29 03:27:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-10-29 03:27:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:27:24,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:24,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:27:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2021-10-29 03:27:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2021-10-29 03:27:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:27:38,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:38,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:27:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-10-29 03:27:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-10-29 03:27:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:27:41,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:41,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:27:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2021-10-29 03:27:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-10-29 03:27:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:27:44,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:44,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:28:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-10-29 03:28:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-10-29 03:28:26,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:28:26,411 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 03:28:26,418 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:28:27,023 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 03:28:27,035 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 03:28:27,036 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:28:27,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:28:27 ImpRootNode [2021-10-29 03:28:27,037 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:28:27,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:28:27,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:28:27,038 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:28:27,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:16" (3/4) ... [2021-10-29 03:28:27,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:28:27,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2021-10-29 03:28:27,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-29 03:28:27,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:28:27,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:28:27,330 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:28:27,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:28:27,332 INFO L168 Benchmark]: Toolchain (without parser) took 94198.66 ms. Allocated memory was 83.9 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 48.2 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 797.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,332 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:27,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.92 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.9 MB in the beginning and 42.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.85 ms. Allocated memory is still 100.7 MB. Free memory was 42.4 MB in the beginning and 63.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,335 INFO L168 Benchmark]: Boogie Preprocessor took 158.82 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 53.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,336 INFO L168 Benchmark]: RCFGBuilder took 21743.57 ms. Allocated memory was 100.7 MB in the beginning and 998.2 MB in the end (delta: 897.6 MB). Free memory was 53.5 MB in the beginning and 810.9 MB in the end (delta: -757.4 MB). Peak memory consumption was 403.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,337 INFO L168 Benchmark]: CodeCheck took 70860.86 ms. Allocated memory was 998.2 MB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 809.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 616.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,338 INFO L168 Benchmark]: Witness Printer took 292.21 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:27,340 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: 70.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1564 SDtfs, 3076 SDslu, 2104 SDs, 0 SdLazy, 8124 SolverSat, 1032 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 49.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 958 SyntacticMatches, 52 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 193]: 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: 1044]: Loop Invariant Derived loop invariant: (((a3 == 1 && a8 == 15) && a25 <= 8) || ((10 <= a25 && a3 == 1) && a8 == 15)) || ((((a23 <= 306 || 141 <= a29) || !(a4 == 1)) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (a3 == 1 && ((((140 < a29 || 9 < a25) || a23 <= 306) || !(a4 == 1)) || a25 <= 8)) && a8 == 15 - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 952.92 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.9 MB in the beginning and 42.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.85 ms. Allocated memory is still 100.7 MB. Free memory was 42.4 MB in the beginning and 63.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 158.82 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 53.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21743.57 ms. Allocated memory was 100.7 MB in the beginning and 998.2 MB in the end (delta: 897.6 MB). Free memory was 53.5 MB in the beginning and 810.9 MB in the end (delta: -757.4 MB). Peak memory consumption was 403.5 MB. Max. memory is 16.1 GB. * CodeCheck took 70860.86 ms. Allocated memory was 998.2 MB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 809.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 616.1 MB. Max. memory is 16.1 GB. * Witness Printer took 292.21 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:28:27,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37583bfc-5e34-4e9e-94db-8fbff9457ee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...