./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38eca36787df6152c26f941ea8052099b3b63076 ................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 20:11:04,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:11:04,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:11:04,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:11:04,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:11:04,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:11:04,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:11:04,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:11:04,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:11:04,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:11:04,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:11:04,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:11:04,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:11:04,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:11:04,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:11:04,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:11:04,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:11:04,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:11:04,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:11:04,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:11:04,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:11:04,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:11:04,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:11:04,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:11:04,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:11:04,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:11:04,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:11:04,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:11:04,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:11:04,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:11:04,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:11:04,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:11:04,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:11:04,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:11:04,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:11:04,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:11:04,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:11:04,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:11:04,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:11:04,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:11:04,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:11:04,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 20:11:04,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:11:04,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:11:04,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:11:04,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:11:04,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:11:04,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:11:04,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:11:04,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 20:11:04,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:11:04,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:11:04,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:11:04,706 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:11:04,706 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:11:04,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:11:04,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:11:04,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:11:04,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:11:04,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d827e468-e114-4c23-8ba3-aa1b428cd057/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(__VERIFIER_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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2019-12-01 20:11:04,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:11:04,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:11:04,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:11:04,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:11:04,819 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:11:04,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2019-12-01 20:11:04,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/data/fb1bcec4b/04552e6aed33462fba0556fc6da2186b/FLAG07c9ea8c6 [2019-12-01 20:11:05,306 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:11:05,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2019-12-01 20:11:05,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/data/fb1bcec4b/04552e6aed33462fba0556fc6da2186b/FLAG07c9ea8c6 [2019-12-01 20:11:05,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/data/fb1bcec4b/04552e6aed33462fba0556fc6da2186b [2019-12-01 20:11:05,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:11:05,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:11:05,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:11:05,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:11:05,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:11:05,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449728aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05, skipping insertion in model container [2019-12-01 20:11:05,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:11:05,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:11:05,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:11:05,633 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:11:05,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:11:05,700 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:11:05,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05 WrapperNode [2019-12-01 20:11:05,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:11:05,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:11:05,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:11:05,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:11:05,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:11:05,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:11:05,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:11:05,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:11:05,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... [2019-12-01 20:11:05,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:11:05,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:11:05,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:11:05,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:11:05,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:11:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/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 [2019-12-01 20:11:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:11:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:12:25,245 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:12:25,246 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 20:12:25,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:12:25 BoogieIcfgContainer [2019-12-01 20:12:25,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:12:25,247 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:12:25,247 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:12:25,256 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:12:25,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:12:25" (1/1) ... [2019-12-01 20:12:25,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:12:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 20:12:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 20:12:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 20:12:25,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:12:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 20:12:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 20:12:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:12:25,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:12:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 20:12:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 20:12:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:12:26,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:12:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2019-12-01 20:12:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2019-12-01 20:12:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:12:26,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:12:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2019-12-01 20:12:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2019-12-01 20:12:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:12:27,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:12:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2019-12-01 20:12:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2019-12-01 20:12:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:12:38,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:12:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2019-12-01 20:12:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2019-12-01 20:12:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:12:39,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:12:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2019-12-01 20:12:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2019-12-01 20:12:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:12:40,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:12:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:12:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:12:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:12:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2019-12-01 20:12:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2019-12-01 20:12:40,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:12:40,394 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-01 20:12:40,400 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 20:12:40,573 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 20:12:40,581 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:12:40,581 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-01 20:12:40,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:12:40 ImpRootNode [2019-12-01 20:12:40,582 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:12:40,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:12:40,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:12:40,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:12:40,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:12:25" (3/4) ... [2019-12-01 20:12:40,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:12:40,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 20:12:40,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 20:12:40,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 20:12:40,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 20:12:40,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d827e468-e114-4c23-8ba3-aa1b428cd057/bin/ukojak/witness.graphml [2019-12-01 20:12:40,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:12:40,698 INFO L168 Benchmark]: Toolchain (without parser) took 95370.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 927.3 MB in the beginning and 881.3 MB in the end (delta: 46.0 MB). Peak memory consumption was 277.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,698 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:12:40,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,699 INFO L168 Benchmark]: Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,700 INFO L168 Benchmark]: RCFGBuilder took 79413.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 318.6 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,700 INFO L168 Benchmark]: CodeCheck took 15335.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.0 GB in the beginning and 907.2 MB in the end (delta: 125.9 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,700 INFO L168 Benchmark]: Witness Printer took 113.68 ms. Allocated memory is still 1.3 GB. Free memory was 907.2 MB in the beginning and 881.3 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-12-01 20:12:40,702 INFO L335 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. Result: SAFE, OverallTime: 15.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1608 SDtfs, 3320 SDslu, 2192 SDs, 0 SdLazy, 9116 SolverSat, 1308 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 43.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1058 GetRequests, 908 SyntacticMatches, 48 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5454 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 14416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 16/107 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: 187]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 3) || !(a19 == 6)) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 0 < a1 + 13) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && ((!(a10 == 3) || !(a19 == 6)) || 0 < a1 + 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 79413.23 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 318.6 MB. Max. memory is 11.5 GB. * CodeCheck took 15335.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.0 GB in the beginning and 907.2 MB in the end (delta: 125.9 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. * Witness Printer took 113.68 ms. Allocated memory is still 1.3 GB. Free memory was 907.2 MB in the beginning and 881.3 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...