./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.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_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/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 53e7f96c26e9fc4b700c4eb7eb8cc6cd37861616 ......................................................................................................................................................................................................................................................................... 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 18:03:45,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:03:45,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:03:45,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:03:45,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:03:45,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:03:45,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:03:45,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:03:45,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:03:45,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:03:45,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:03:45,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:03:45,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:03:45,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:03:45,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:03:45,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:03:45,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:03:45,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:03:45,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:03:45,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:03:45,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:03:45,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:03:45,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:03:45,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:03:45,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:03:45,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:03:45,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:03:45,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:03:45,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:03:45,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:03:45,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:03:45,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:03:45,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:03:45,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:03:45,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:03:45,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:03:45,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:03:45,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:03:45,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:03:45,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:03:45,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:03:45,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:03:45,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:03:45,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:03:45,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:03:45,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:03:45,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:03:45,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:03:45,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:03:45,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:03:45,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:03:45,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:03:45,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:03:45,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:03:45,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:03:45,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:03:45,883 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:03:45,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:03:45,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:03:45,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:03:45,884 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:03:45,884 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:03:45,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:03:45,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:03:45,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:03:45,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:03:45,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:03:45,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:03:45,887 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:03:45,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:03:45,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:03:45,887 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_e7749be3-3a77-4416-9fba-fd190eb18f67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e7f96c26e9fc4b700c4eb7eb8cc6cd37861616 [2020-12-01 18:03:46,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:03:46,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:03:46,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:03:46,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:03:46,267 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:03:46,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2020-12-01 18:03:46,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/data/6dd88e920/bedc4f2682b248dfbd9f71be1644f23c/FLAG859a9bfbe [2020-12-01 18:03:47,158 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:03:47,159 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2020-12-01 18:03:47,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/data/6dd88e920/bedc4f2682b248dfbd9f71be1644f23c/FLAG859a9bfbe [2020-12-01 18:03:47,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/data/6dd88e920/bedc4f2682b248dfbd9f71be1644f23c [2020-12-01 18:03:47,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:03:47,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:03:47,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:03:47,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:03:47,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:03:47,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:03:47" (1/1) ... [2020-12-01 18:03:47,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11500c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:47, skipping insertion in model container [2020-12-01 18:03:47,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:03:47" (1/1) ... [2020-12-01 18:03:47,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:03:47,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:03:48,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:03:48,402 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:03:48,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:03:48,749 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:03:48,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48 WrapperNode [2020-12-01 18:03:48,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:03:48,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:03:48,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:03:48,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:03:48,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:48,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:03:49,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:03:49,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:03:49,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:03:49,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... [2020-12-01 18:03:49,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:03:49,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:03:49,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:03:49,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:03:49,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/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 18:03:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:03:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:03:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:03:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:05:26,654 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:05:26,655 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 18:05:26,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:26 BoogieIcfgContainer [2020-12-01 18:05:26,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:05:26,659 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:05:26,659 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:05:26,684 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:05:26,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:26" (1/1) ... [2020-12-01 18:05:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:05:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:05:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:05:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:05:26,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:27,115 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 18:05:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2020-12-01 18:05:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2020-12-01 18:05:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:05:27,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:29,306 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 18:05:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2020-12-01 18:05:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2020-12-01 18:05:31,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:05:31,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:34,943 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-01 18:05:35,422 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-12-01 18:05:35,492 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 18:05:46,238 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-12-01 18:05:46,773 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-12-01 18:05:47,222 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:05:47,521 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:05:48,142 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-12-01 18:05:48,732 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:05:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2020-12-01 18:05:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2020-12-01 18:05:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:05:54,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:05:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:05:57,494 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 18:05:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:58,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2020-12-01 18:05:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2020-12-01 18:05:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:05:58,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:06:01,877 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:06:02,230 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:06:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2020-12-01 18:06:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2020-12-01 18:06:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:06:06,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:06:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2020-12-01 18:06:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2020-12-01 18:06:09,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:06:09,106 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2020-12-01 18:06:09,115 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:06:09,472 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 31 [2020-12-01 18:06:09,734 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-12-01 18:06:09,987 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-12-01 18:06:10,195 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2020-12-01 18:06:10,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:10,200 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 18:06:10,208 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-12-01 18:06:10,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:06:10 ImpRootNode [2020-12-01 18:06:10,211 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:06:10,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:06:10,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:06:10,212 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:06:10,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:26" (3/4) ... [2020-12-01 18:06:10,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:06:10,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 371 nodes and edges [2020-12-01 18:06:10,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:06:10,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:06:10,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:06:10,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7749be3-3a77-4416-9fba-fd190eb18f67/bin/ukojak/witness.graphml [2020-12-01 18:06:10,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:06:10,642 INFO L168 Benchmark]: Toolchain (without parser) took 143359.66 ms. Allocated memory was 90.2 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 56.4 MB in the beginning and 6.0 GB in the end (delta: -6.0 GB). Peak memory consumption was 818.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,642 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:06:10,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1467.09 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 56.2 MB in the beginning and 66.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 329.33 ms. Allocated memory is still 115.3 MB. Free memory was 66.9 MB in the beginning and 67.1 MB in the end (delta: -256.6 kB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,644 INFO L168 Benchmark]: Boogie Preprocessor took 244.88 ms. Allocated memory is still 115.3 MB. Free memory was 67.1 MB in the beginning and 52.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,644 INFO L168 Benchmark]: RCFGBuilder took 97312.52 ms. Allocated memory was 115.3 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 52.4 MB in the beginning and 6.3 GB in the end (delta: -6.3 GB). Peak memory consumption was 808.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,645 INFO L168 Benchmark]: CodeCheck took 43552.28 ms. Allocated memory is still 6.9 GB. Free memory was 6.3 GB in the beginning and 6.1 GB in the end (delta: 248.5 MB). Peak memory consumption was 248.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,646 INFO L168 Benchmark]: Witness Printer took 428.05 ms. Allocated memory is still 6.9 GB. Free memory was 6.1 GB in the beginning and 6.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:10,649 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: 42.3s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 814 SDslu, 528 SDs, 0 SdLazy, 2528 SolverSat, 394 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 79.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 681 GetRequests, 604 SyntacticMatches, 9 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1963 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 15348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 40/65 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: 13]: 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: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((4 <= a15 || 9 <= a16) || a15 <= 2) || a12 <= 7) || a18 + 156 <= 0) || 0 <= a18 + 78) || a16 <= 7) || 9 <= a12 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((a18 <= 134 && 0 < a18 + 79) || !(a15 == 3)) || a18 + 156 <= 0) || !(a16 == 8)) || !(a12 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1467.09 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 56.2 MB in the beginning and 66.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 329.33 ms. Allocated memory is still 115.3 MB. Free memory was 66.9 MB in the beginning and 67.1 MB in the end (delta: -256.6 kB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 244.88 ms. Allocated memory is still 115.3 MB. Free memory was 67.1 MB in the beginning and 52.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 97312.52 ms. Allocated memory was 115.3 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 52.4 MB in the beginning and 6.3 GB in the end (delta: -6.3 GB). Peak memory consumption was 808.9 MB. Max. memory is 16.1 GB. * CodeCheck took 43552.28 ms. Allocated memory is still 6.9 GB. Free memory was 6.3 GB in the beginning and 6.1 GB in the end (delta: 248.5 MB). Peak memory consumption was 248.5 MB. Max. memory is 16.1 GB. * Witness Printer took 428.05 ms. Allocated memory is still 6.9 GB. Free memory was 6.1 GB in the beginning and 6.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...