./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label11.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_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/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 fbd9cd7bc97ed5c4405eb54cf60d1540db4489a7 .............................................................................................................................................................................................................................................................................. 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 17:08:11,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:08:11,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:08:11,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:08:11,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:08:11,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:08:11,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:08:11,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:08:11,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:08:11,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:08:11,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:08:11,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:08:11,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:08:11,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:08:11,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:08:11,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:08:11,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:08:11,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:08:11,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:08:11,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:08:11,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:08:11,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:08:11,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:08:11,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:08:11,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:08:11,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:08:11,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:08:11,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:08:11,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:08:11,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:08:11,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:08:11,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:08:11,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:08:11,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:08:11,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:08:11,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:08:11,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:08:11,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:08:11,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:08:11,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:08:11,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:08:11,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:08:11,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:08:11,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:08:11,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:08:11,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:08:11,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:08:11,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:08:11,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:08:11,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:08:11,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:08:11,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:08:11,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:08:11,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:08:11,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:08:11,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:08:11,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:08:11,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:08:11,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:08:11,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:08:11,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:08:11,957 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:08:11,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:08:11,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:08:11,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:08:11,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:08:11,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:08:11,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:08:11,959 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:08:11,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:08:11,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:08:11,962 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_f526f5e6-3652-4d5b-863c-2e138d256e2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbd9cd7bc97ed5c4405eb54cf60d1540db4489a7 [2020-12-01 17:08:12,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:08:12,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:08:12,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:08:12,344 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:08:12,345 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:08:12,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem18_label11.c [2020-12-01 17:08:12,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/data/5c2049cdb/ce2773182de4496989bd1c4c20b98266/FLAG325c48224 [2020-12-01 17:08:13,452 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:08:13,453 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/sv-benchmarks/c/eca-rers2012/Problem18_label11.c [2020-12-01 17:08:13,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/data/5c2049cdb/ce2773182de4496989bd1c4c20b98266/FLAG325c48224 [2020-12-01 17:08:13,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/data/5c2049cdb/ce2773182de4496989bd1c4c20b98266 [2020-12-01 17:08:13,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:08:13,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:08:13,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:13,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:08:13,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:08:13,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:13" (1/1) ... [2020-12-01 17:08:13,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9710a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:13, skipping insertion in model container [2020-12-01 17:08:13,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:13" (1/1) ... [2020-12-01 17:08:13,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:08:14,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:08:15,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:15,384 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:08:16,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:16,200 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:08:16,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16 WrapperNode [2020-12-01 17:08:16,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:16,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:16,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:08:16,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:08:16,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:16,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:08:16,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:08:16,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:08:16,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... [2020-12-01 17:08:16,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:08:16,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:08:16,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:08:16,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:08:16,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/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 17:08:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:08:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:08:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:08:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:17:45,741 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:17:45,741 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:17:45,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:17:45 BoogieIcfgContainer [2020-12-01 17:17:45,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:17:45,746 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:17:45,746 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:17:45,772 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:17:45,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:17:45" (1/1) ... [2020-12-01 17:17:45,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:17:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:17:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:17:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:17:45,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:46,109 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 17:17:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:17:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:17:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:17:46,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:50,439 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 17:17:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2020-12-01 17:17:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-12-01 17:17:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:17:52,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:01,274 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-12-01 17:18:01,934 WARN L197 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2020-12-01 17:18:02,139 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 17:18:02,355 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2020-12-01 17:18:03,151 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2020-12-01 17:18:04,131 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-01 17:18:04,318 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-01 17:18:04,623 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 17:18:04,867 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 17:18:05,338 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 17:18:06,243 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:18:06,564 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 17:18:07,652 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 17:18:07,902 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-01 17:18:09,029 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-12-01 17:18:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2020-12-01 17:18:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2020-12-01 17:18:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:18:09,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:18,531 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 17:18:18,966 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-01 17:18:19,501 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 17:18:19,891 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-01 17:18:20,373 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-01 17:18:21,150 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2020-12-01 17:18:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2020-12-01 17:18:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2020-12-01 17:18:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:18:21,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:28,250 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 17:18:28,605 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-01 17:18:28,764 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-12-01 17:18:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2020-12-01 17:18:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2020-12-01 17:18:29,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:18:29,110 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:18:29,118 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:18:29,570 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 16 [2020-12-01 17:18:30,123 WARN L197 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-12-01 17:18:30,580 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2020-12-01 17:18:31,055 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-12-01 17:18:31,057 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2020-12-01 17:18:31,068 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:18:31,068 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:18:31,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:18:31 ImpRootNode [2020-12-01 17:18:31,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:18:31,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:18:31,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:18:31,072 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:18:31,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:17:45" (3/4) ... [2020-12-01 17:18:31,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:18:31,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 733 nodes and edges [2020-12-01 17:18:31,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:18:31,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:18:31,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:18:31,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f526f5e6-3652-4d5b-863c-2e138d256e2b/bin/ukojak/witness.graphml [2020-12-01 17:18:31,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:18:31,761 INFO L168 Benchmark]: Toolchain (without parser) took 617803.14 ms. Allocated memory was 94.4 MB in the beginning and 7.3 GB in the end (delta: 7.2 GB). Free memory was 56.3 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.7 GB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,762 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 48.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:18:31,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2243.86 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 63.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 416.35 ms. Allocated memory was 113.2 MB in the beginning and 176.2 MB in the end (delta: 62.9 MB). Free memory was 63.9 MB in the beginning and 103.0 MB in the end (delta: -39.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,764 INFO L168 Benchmark]: Boogie Preprocessor took 281.59 ms. Allocated memory is still 176.2 MB. Free memory was 103.0 MB in the beginning and 88.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,765 INFO L168 Benchmark]: RCFGBuilder took 568840.97 ms. Allocated memory was 176.2 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 88.9 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,765 INFO L168 Benchmark]: CodeCheck took 45324.82 ms. Allocated memory is still 7.3 GB. Free memory was 3.9 GB in the beginning and 2.6 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,766 INFO L168 Benchmark]: Witness Printer took 688.01 ms. Allocated memory is still 7.3 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:31,770 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: 43.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 410 SDslu, 272 SDs, 0 SdLazy, 1080 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 466 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1589 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 16.5s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 7608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 40/55 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: 14]: 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: 35]: Loop Invariant Derived loop invariant: ((!(a18 == 10) || 417 < a3) || !(a24 == 0)) || !(a15 == 4) - InvariantResult [Line: 4263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4269]: Loop Invariant Derived loop invariant: ((((418 <= a3 || 11 <= a18) || !(a24 == 0)) || a18 <= 9) || !(a15 == 4)) || a3 <= 306 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 48.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2243.86 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 63.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 416.35 ms. Allocated memory was 113.2 MB in the beginning and 176.2 MB in the end (delta: 62.9 MB). Free memory was 63.9 MB in the beginning and 103.0 MB in the end (delta: -39.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 281.59 ms. Allocated memory is still 176.2 MB. Free memory was 103.0 MB in the beginning and 88.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 568840.97 ms. Allocated memory was 176.2 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 88.9 MB in the beginning and 3.9 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. * CodeCheck took 45324.82 ms. Allocated memory is still 7.3 GB. Free memory was 3.9 GB in the beginning and 2.6 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 688.01 ms. Allocated memory is still 7.3 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...