./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/odd.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_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/odd.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/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 0150d0ee9b9ae3758be926b566349c1f8c8a0ebd .................................................................................................................................................................................................................................... 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 17:46:31,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:46:31,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:46:31,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:46:31,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:46:31,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:46:31,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:46:31,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:46:31,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:46:31,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:46:31,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:46:31,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:46:31,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:46:31,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:46:31,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:46:31,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:46:31,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:46:31,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:46:31,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:46:31,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:46:31,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:46:31,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:46:31,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:46:31,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:46:31,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:46:31,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:46:31,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:46:31,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:46:31,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:46:31,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:46:31,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:46:31,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:46:31,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:46:31,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:46:31,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:46:31,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:46:31,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:46:31,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:46:31,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:46:31,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:46:31,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:46:31,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:46:31,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:46:31,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:46:31,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:46:31,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:46:31,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:46:31,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:46:31,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:46:31,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:46:31,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:46:31,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:46:31,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:46:31,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:46:31,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:46:31,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:46:31,936 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:46:31,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:46:31,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:46:31,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:46:31,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:46:31,938 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:46:31,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:46:31,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:46:31,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:46:31,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:46:31,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:46:31,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:46:31,940 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:46:31,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:46:31,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:46:31,943 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_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0150d0ee9b9ae3758be926b566349c1f8c8a0ebd [2020-12-01 17:46:32,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:46:32,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:46:32,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:46:32,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:46:32,411 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:46:32,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/../../sv-benchmarks/c/loop-invariants/odd.c [2020-12-01 17:46:32,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/data/0d3b43806/8f81794180e04bb6823304b7b957408c/FLAG26acc9845 [2020-12-01 17:46:33,169 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:46:33,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/sv-benchmarks/c/loop-invariants/odd.c [2020-12-01 17:46:33,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/data/0d3b43806/8f81794180e04bb6823304b7b957408c/FLAG26acc9845 [2020-12-01 17:46:33,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/data/0d3b43806/8f81794180e04bb6823304b7b957408c [2020-12-01 17:46:33,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:46:33,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:46:33,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:33,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:46:33,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:46:33,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea86bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33, skipping insertion in model container [2020-12-01 17:46:33,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:46:33,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:46:33,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:33,855 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:46:33,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:33,894 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:46:33,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33 WrapperNode [2020-12-01 17:46:33,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:33,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:33,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:46:33,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:46:33,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:33,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:46:33,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:46:33,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:46:33,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... [2020-12-01 17:46:33,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:46:33,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:46:33,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:46:33,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:46:33,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/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 17:46:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:46:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:46:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:46:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:46:34,422 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:46:34,423 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:46:34,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:34 BoogieIcfgContainer [2020-12-01 17:46:34,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:46:34,426 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:46:34,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:46:34,457 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:46:34,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:34" (1/1) ... [2020-12-01 17:46:34,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:46:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:46:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:46:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:46:34,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:34,782 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 17:46:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-01 17:46:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-01 17:46:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:46:34,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:35,075 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 17:46:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-12-01 17:46:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-12-01 17:46:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:46:35,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-12-01 17:46:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-12-01 17:46:35,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:46:35,524 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2020-12-01 17:46:35,532 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:46:35,651 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:46:35,663 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:46:35,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:46:35 ImpRootNode [2020-12-01 17:46:35,664 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:46:35,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:46:35,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:46:35,666 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:46:35,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:34" (3/4) ... [2020-12-01 17:46:35,670 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:46:35,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 17:46:35,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:46:35,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:46:35,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:46:35,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:46:35,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7aa45d4-3f84-4f3d-9532-e1d87a9181ed/bin/ukojak/witness.graphml [2020-12-01 17:46:35,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:46:35,787 INFO L168 Benchmark]: Toolchain (without parser) took 2261.60 ms. Allocated memory is still 109.1 MB. Free memory was 77.0 MB in the beginning and 81.2 MB in the end (delta: -4.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:35,788 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 75.5 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:35,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.45 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 85.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:35,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 84.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:35,797 INFO L168 Benchmark]: Boogie Preprocessor took 30.65 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:35,798 INFO L168 Benchmark]: RCFGBuilder took 450.23 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 70.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:35,799 INFO L168 Benchmark]: CodeCheck took 1238.22 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 83.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:35,799 INFO L168 Benchmark]: Witness Printer took 120.36 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 81.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:35,803 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: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 24 SDslu, 32 SDs, 0 SdLazy, 72 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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: 3]: 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: 13]: Loop Invariant Derived loop invariant: 2 * (x / 2) + 1 <= x - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 75.5 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.45 ms. Allocated memory is still 109.1 MB. Free memory was 76.8 MB in the beginning and 85.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 84.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.65 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 450.23 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 70.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1238.22 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 83.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 120.36 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 81.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...