./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/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_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/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_3c079304-021f-4eba-84b4-2e964907e12e/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 c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 ............................................................................................................................................................................................................................................................................................ 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 03:35:01,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:35:01,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:35:01,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:35:01,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:35:01,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:35:01,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:35:01,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:35:01,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:35:01,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:35:01,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:35:01,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:35:01,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:35:01,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:35:01,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:35:01,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:35:01,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:35:01,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:35:01,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:35:01,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:35:01,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:35:01,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:35:01,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:35:01,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:35:01,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:35:01,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:35:01,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:35:01,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:35:01,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:35:01,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:35:01,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:35:01,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:35:01,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:35:01,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:35:01,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:35:01,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:35:01,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:35:01,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:35:01,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:35:01,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:35:01,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:35:01,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:35:01,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:35:01,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:35:01,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:35:01,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:35:01,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:35:01,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:35:01,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:35:01,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:35:01,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:35:01,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:35:01,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:35:01,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:35:01,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:35:01,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:35:01,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:35:01,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:35:01,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:35:01,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:35:01,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:35:01,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:35:01,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:35:01,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:35:01,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:35:01,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:35:01,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:35:01,480 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:35:01,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:35:01,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:35:01,481 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_3c079304-021f-4eba-84b4-2e964907e12e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 [2021-10-29 03:35:01,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:35:01,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:35:01,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:35:01,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:35:01,740 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:35:01,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2021-10-29 03:35:01,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/data/bcc325e9a/42820c00f052459c848c2aabc07a6205/FLAG8f042ab83 [2021-10-29 03:35:02,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:35:02,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2021-10-29 03:35:02,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/data/bcc325e9a/42820c00f052459c848c2aabc07a6205/FLAG8f042ab83 [2021-10-29 03:35:02,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/data/bcc325e9a/42820c00f052459c848c2aabc07a6205 [2021-10-29 03:35:02,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:35:02,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:35:02,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:35:02,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:35:02,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:35:02,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:35:02" (1/1) ... [2021-10-29 03:35:02,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5c8537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:02, skipping insertion in model container [2021-10-29 03:35:02,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:35:02" (1/1) ... [2021-10-29 03:35:02,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:35:02,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:35:02,951 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_3c079304-021f-4eba-84b4-2e964907e12e/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2021-10-29 03:35:03,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:35:03,146 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:35:03,167 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_3c079304-021f-4eba-84b4-2e964907e12e/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2021-10-29 03:35:03,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:35:03,324 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:35:03,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03 WrapperNode [2021-10-29 03:35:03,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:35:03,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:35:03,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:35:03,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:35:03,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:35:03,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:35:03,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:35:03,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:35:03,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:35:03,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:35:03,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:35:03,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:35:03,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:03" (1/1) ... [2021-10-29 03:35:03,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:35:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:35:03,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:35:03,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:35:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:35:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:35:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:35:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:35:12,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:35:12,025 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:35:12,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:12 BoogieIcfgContainer [2021-10-29 03:35:12,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:35:12,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:35:12,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:35:12,040 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:35:12,040 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:12" (1/1) ... [2021-10-29 03:35:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:35:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:35:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:35:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:35:12,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:12,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:12,240 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 03:35:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:35:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:35:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:35:12,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:12,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:12,888 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 03:35:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:35:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:35:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:35:13,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:13,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:14,169 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 03:35:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2021-10-29 03:35:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-10-29 03:35:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:35:15,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:15,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:15,864 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 03:35:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-10-29 03:35:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-10-29 03:35:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:35:16,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:16,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:35:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2021-10-29 03:35:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2021-10-29 03:35:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:35:18,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:18,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:35:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2021-10-29 03:35:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2021-10-29 03:35:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:35:19,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:19,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:35:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:35:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:35:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2021-10-29 03:35:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 03:35:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:35:19,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:35:19,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:35:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:36:20,091 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 03:36:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:36:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 84 transitions. [2021-10-29 03:36:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2021-10-29 03:36:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:36:20,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:36:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:36:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:37:19,304 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 03:37:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:37:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-10-29 03:37:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-10-29 03:37:19,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:37:19,488 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 03:37:19,494 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:37:19,867 INFO L565 CodeCheckObserver]: Invariant with dag size 26 [2021-10-29 03:37:19,891 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:37:19,892 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:37:19,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:37:19 ImpRootNode [2021-10-29 03:37:19,893 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:37:19,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:37:19,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:37:19,894 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:37:19,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:12" (3/4) ... [2021-10-29 03:37:19,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:37:19,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:37:19,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:37:19,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:37:19,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:37:20,097 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:37:20,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:37:20,099 INFO L168 Benchmark]: Toolchain (without parser) took 137390.19 ms. Allocated memory was 90.2 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 57.6 MB in the beginning and 997.9 MB in the end (delta: -940.3 MB). Peak memory consumption was 737.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,099 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:37:20,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.65 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.4 MB in the beginning and 89.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.97 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 84.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,101 INFO L168 Benchmark]: Boogie Preprocessor took 112.93 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 79.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,101 INFO L168 Benchmark]: RCFGBuilder took 8470.01 ms. Allocated memory was 115.3 MB in the beginning and 310.4 MB in the end (delta: 195.0 MB). Free memory was 79.3 MB in the beginning and 168.3 MB in the end (delta: -89.0 MB). Peak memory consumption was 165.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,102 INFO L168 Benchmark]: CodeCheck took 127864.12 ms. Allocated memory was 310.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 168.3 MB in the beginning and 1.0 GB in the end (delta: -845.3 MB). Peak memory consumption was 609.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,103 INFO L168 Benchmark]: Witness Printer took 203.38 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:37:20,105 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: 127.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3352 SDtfs, 5934 SDslu, 4656 SDs, 0 SdLazy, 19166 SolverSat, 3064 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1362 GetRequests, 1197 SyntacticMatches, 73 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3813 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 120.8s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 84/158 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: 80]: 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: 592]: Loop Invariant Derived loop invariant: (((219 <= a1 && 14 == a4) && a12 == 0) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && (!(a10 == 2) || a1 <= 38)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a10 == 2) || a19 <= 7) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 9 <= a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.65 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.4 MB in the beginning and 89.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.97 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 84.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.93 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 79.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8470.01 ms. Allocated memory was 115.3 MB in the beginning and 310.4 MB in the end (delta: 195.0 MB). Free memory was 79.3 MB in the beginning and 168.3 MB in the end (delta: -89.0 MB). Peak memory consumption was 165.2 MB. Max. memory is 16.1 GB. * CodeCheck took 127864.12 ms. Allocated memory was 310.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 168.3 MB in the beginning and 1.0 GB in the end (delta: -845.3 MB). Peak memory consumption was 609.2 MB. Max. memory is 16.1 GB. * Witness Printer took 203.38 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:37:20,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c079304-021f-4eba-84b4-2e964907e12e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...