./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak --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 963c90c0ca14dadcc060ab8f81569883db0a69a4 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:27:58,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:27:58,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:27:58,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:27:58,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:27:58,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:27:58,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:27:58,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:27:58,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:27:58,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:27:58,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:27:58,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:27:58,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:27:58,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:27:58,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:27:58,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:27:58,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:27:58,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:27:58,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:27:58,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:27:58,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:27:58,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:27:58,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:27:58,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:27:58,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:27:58,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:27:58,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:27:58,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:27:58,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:27:58,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:27:58,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:27:58,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:27:58,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:27:58,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:27:58,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:27:58,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:27:58,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:27:58,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:27:58,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:27:58,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:27:58,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:27:58,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:27:58,498 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:27:58,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:27:58,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:27:58,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:27:58,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:27:58,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:27:58,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:27:58,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:27:58,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:27:58,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:27:58,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:27:58,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:27:58,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:27:58,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:27:58,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:27:58,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:27:58,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:27:58,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:27:58,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:27:58,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:27:58,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:27:58,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:27:58,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:27:58,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:27:58,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:27:58,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:27:58,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:27:58,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:27:58,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:27:58,509 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-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963c90c0ca14dadcc060ab8f81569883db0a69a4 [2020-12-01 18:27:58,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:27:58,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:27:58,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:27:58,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:27:58,911 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:27:58,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2020-12-01 18:27:59,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/data/3139e964a/a76aa3a5b40340faa20a176ac29b0569/FLAG7f2d88693 [2020-12-01 18:27:59,711 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:27:59,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2020-12-01 18:27:59,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/data/3139e964a/a76aa3a5b40340faa20a176ac29b0569/FLAG7f2d88693 [2020-12-01 18:27:59,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/data/3139e964a/a76aa3a5b40340faa20a176ac29b0569 [2020-12-01 18:27:59,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:27:59,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:27:59,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:27:59,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:27:59,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:27:59,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:59" (1/1) ... [2020-12-01 18:27:59,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9a8334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:59, skipping insertion in model container [2020-12-01 18:27:59,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:59" (1/1) ... [2020-12-01 18:27:59,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:27:59,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:28:00,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:28:00,570 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:28:00,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:28:00,830 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:28:00,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00 WrapperNode [2020-12-01 18:28:00,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:28:00,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:28:00,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:28:00,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:28:00,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:00,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:00,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:28:00,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:28:00,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:28:00,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:28:00,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:00,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... [2020-12-01 18:28:01,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:28:01,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:28:01,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:28:01,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:28:01,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:28:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:28:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:28:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:28:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:28:28,621 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:28:28,621 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:28:28,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:28:28 BoogieIcfgContainer [2020-12-01 18:28:28,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:28:28,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:28:28,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:28:28,639 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:28:28,640 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:28:28" (1/1) ... [2020-12-01 18:28:28,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:28:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:28:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:28:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:28:28,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:28:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:28:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:28:29,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:28:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:28:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:28:41,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:45,372 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-12-01 18:28:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2020-12-01 18:28:46,706 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2020-12-01 18:28:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:28:46,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2020-12-01 18:28:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2020-12-01 18:28:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:28:48,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:57,934 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-12-01 18:28:58,295 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-01 18:28:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:59,436 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-01 18:29:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2020-12-01 18:29:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2020-12-01 18:29:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:29:10,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:29:18,273 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-01 18:29:18,407 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-01 18:29:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2020-12-01 18:29:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2020-12-01 18:29:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:29:19,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:29:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2020-12-01 18:29:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2020-12-01 18:29:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:29:26,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:33,533 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2020-12-01 18:29:34,121 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-12-01 18:29:35,476 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 210 DAG size of output: 105 [2020-12-01 18:29:36,152 WARN L197 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 53 [2020-12-01 18:29:40,851 WARN L197 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 294 DAG size of output: 133 [2020-12-01 18:29:41,540 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2020-12-01 18:29:46,067 WARN L197 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 343 DAG size of output: 104 [2020-12-01 18:29:46,814 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-12-01 18:29:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:29:58,028 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:29:58,155 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-12-01 18:29:58,690 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2020-12-01 18:29:58,927 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:29:59,073 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-12-01 18:29:59,605 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-01 18:29:59,804 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-01 18:30:05,550 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-12-01 18:30:05,872 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 18:30:06,201 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-12-01 18:30:06,965 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2020-12-01 18:30:07,191 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 18:30:07,505 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-01 18:30:08,289 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2020-12-01 18:30:08,779 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2020-12-01 18:30:09,088 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 18:30:09,415 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 18:30:31,498 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-12-01 18:30:32,072 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-12-01 18:30:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 43 states and 103 transitions. [2020-12-01 18:30:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 103 transitions. [2020-12-01 18:30:33,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:30:33,072 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-12-01 18:30:33,082 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:30:33,875 WARN L197 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 54 [2020-12-01 18:30:34,496 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 54 [2020-12-01 18:30:35,159 WARN L197 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 39 [2020-12-01 18:30:35,876 WARN L197 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 51 [2020-12-01 18:30:35,877 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:30:35,882 INFO L569 CodeCheckObserver]: Invariant with dag size 54 [2020-12-01 18:30:35,898 INFO L569 CodeCheckObserver]: Invariant with dag size 39 [2020-12-01 18:30:35,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:30:35 ImpRootNode [2020-12-01 18:30:35,912 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:30:35,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:30:35,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:30:35,914 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:30:35,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:28:28" (3/4) ... [2020-12-01 18:30:35,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:30:35,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 253 nodes and edges [2020-12-01 18:30:35,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 18:30:35,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:30:35,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:30:36,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_709d7298-8971-4150-b4d6-6954dc80b574/bin/ukojak/witness.graphml [2020-12-01 18:30:36,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:30:36,244 INFO L168 Benchmark]: Toolchain (without parser) took 156366.83 ms. Allocated memory was 77.6 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 57.4 MB in the beginning and 2.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,244 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 50.3 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:30:36,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.88 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.4 MB in the beginning and 38.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.02 ms. Allocated memory is still 94.4 MB. Free memory was 38.9 MB in the beginning and 54.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,247 INFO L168 Benchmark]: Boogie Preprocessor took 113.12 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 44.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,248 INFO L168 Benchmark]: RCFGBuilder took 27520.30 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 44.2 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 427.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,249 INFO L168 Benchmark]: CodeCheck took 127287.54 ms. Allocated memory was 1.8 GB in the beginning and 3.2 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -710.4 MB). Peak memory consumption was 690.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,249 INFO L168 Benchmark]: Witness Printer took 329.50 ms. Allocated memory is still 3.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:36,253 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. VerificationResult: SAFE, OverallTime: 124.4s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1704 SDtfs, 3500 SDslu, 2384 SDs, 0 SdLazy, 9834 SolverSat, 1156 SolverUnsat, 150 SolverUnknown, 0 SolverNotchecked, 172.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1214 GetRequests, 1075 SyntacticMatches, 31 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5905 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 12.4s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 50356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/122 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: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((312 < a23 && a8 == 15) && (((!(a25 == 12) || a23 <= 845793) && (a23 <= 845793 || !(a25 == 13))) || a29 <= 600000)) && a3 == 1) || (((a8 == 15 && a23 < 312) && 12 <= a25) && a3 == 1)) || (((!(a25 == 10) && a8 == 15) && a3 == 1) && !(12 <= a25))) || ((((((a29 <= 277 || 139 <= a23) || !(a4 == 1)) || a23 + 43 <= 0) && !(11 <= a25)) && a8 == 15) && a3 == 1)) || (((312 <= a23 && a23 <= 312) && a8 == 15) && a3 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a29 <= 277 || 139 <= a23) || !(a4 == 1)) || a23 + 43 <= 0) && ((!(a25 == 12) && !(a25 == 13)) || a29 <= 600000)) && a8 == 15) && a3 == 1) || (((!(a25 == 10) && a23 <= 845793) && a8 == 15) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 50.3 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 952.88 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.4 MB in the beginning and 38.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.02 ms. Allocated memory is still 94.4 MB. Free memory was 38.9 MB in the beginning and 54.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.12 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 44.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27520.30 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 44.2 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 427.6 MB. Max. memory is 16.1 GB. * CodeCheck took 127287.54 ms. Allocated memory was 1.8 GB in the beginning and 3.2 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -710.4 MB). Peak memory consumption was 690.5 MB. Max. memory is 16.1 GB. * Witness Printer took 329.50 ms. Allocated memory is still 3.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...