./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/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 c2ee6781c62be40fa372129eaacaba9832af3ce9 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:55:46,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:55:46,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:55:46,940 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:55:46,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:55:46,941 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:55:46,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:55:46,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:55:46,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:55:46,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:55:46,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:55:46,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:55:46,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:55:46,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:55:46,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:55:46,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:55:46,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:55:46,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:55:46,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:55:46,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:55:46,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:55:46,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:55:46,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:55:46,956 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:55:46,956 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:55:46,957 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:55:46,957 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:55:46,958 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:55:46,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:55:46,959 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:55:46,960 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:55:46,960 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:55:46,960 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:55:46,960 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:55:46,961 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:55:46,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:55:46,962 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 07:55:46,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:55:46,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:55:46,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:55:46,973 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:55:46,973 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:55:46,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:55:46,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:55:46,974 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:55:46,975 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:55:46,975 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:55:46,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:55:46,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:55:46,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:55:46,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:55:46,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:55:46,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:55:46,976 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:55:46,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:55:46,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:55:46,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/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 -> c2ee6781c62be40fa372129eaacaba9832af3ce9 [2018-11-23 07:55:47,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:55:47,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:55:47,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:55:47,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:55:47,013 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:55:47,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-11-23 07:55:47,048 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/data/ae1e7d8a5/9d915c27f00a4c48ab1eac9033d7ac28/FLAG6e1727f57 [2018-11-23 07:55:47,495 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:55:47,496 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-11-23 07:55:47,506 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/data/ae1e7d8a5/9d915c27f00a4c48ab1eac9033d7ac28/FLAG6e1727f57 [2018-11-23 07:55:47,518 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/data/ae1e7d8a5/9d915c27f00a4c48ab1eac9033d7ac28 [2018-11-23 07:55:47,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:55:47,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:55:47,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:55:47,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:55:47,526 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:55:47,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:47,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47, skipping insertion in model container [2018-11-23 07:55:47,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:47,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:55:47,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:55:47,833 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:55:47,837 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:55:47,909 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:55:47,922 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:55:47,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47 WrapperNode [2018-11-23 07:55:47,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:55:47,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:55:47,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:55:47,923 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:55:47,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:47,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:55:48,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:55:48,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:55:48,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:55:48,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... [2018-11-23 07:55:48,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:55:48,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:55:48,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:55:48,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:55:48,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:55:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/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 [2018-11-23 07:55:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:55:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:55:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:56:44,188 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:56:44,189 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 07:56:44,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:44 BoogieIcfgContainer [2018-11-23 07:56:44,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:56:44,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:56:44,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:56:44,199 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:56:44,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:44" (1/1) ... [2018-11-23 07:56:44,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 07:56:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 07:56:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 07:56:44,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:44,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 07:56:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 07:56:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:56:44,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-23 07:56:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-23 07:56:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:56:45,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-11-23 07:56:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-11-23 07:56:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:56:47,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:56:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2018-11-23 07:56:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2018-11-23 07:56:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:56:48,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:56:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2018-11-23 07:56:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2018-11-23 07:56:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:56:49,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:56:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2018-11-23 07:56:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2018-11-23 07:56:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:56:49,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:56:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:56:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:56:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-11-23 07:56:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-11-23 07:56:50,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:56:50,986 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 07:56:50,993 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 07:56:51,127 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 07:56:51,135 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:56:51,135 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 07:56:51,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:56:51 ImpRootNode [2018-11-23 07:56:51,136 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:56:51,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:56:51,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:56:51,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:56:51,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:44" (3/4) ... [2018-11-23 07:56:51,142 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:56:51,158 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 07:56:51,159 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 07:56:51,160 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:56:51,161 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:56:51,256 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_121d4fed-b211-47e4-ade0-be6acbc99783/bin-2019/ukojak/witness.graphml [2018-11-23 07:56:51,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:56:51,257 INFO L168 Benchmark]: Toolchain (without parser) took 63735.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 428.3 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -244.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,258 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:56:51,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 916.1 MB in the beginning and 1.1 GB in the end (delta: -223.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,258 INFO L168 Benchmark]: Boogie Preprocessor took 51.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,259 INFO L168 Benchmark]: RCFGBuilder took 56093.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 821.2 MB in the end (delta: 315.0 MB). Peak memory consumption was 495.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,259 INFO L168 Benchmark]: CodeCheck took 6946.47 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 92.3 MB). Free memory was 821.2 MB in the beginning and 1.2 GB in the end (delta: -390.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:56:51,259 INFO L168 Benchmark]: Witness Printer took 119.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:51,261 INFO L336 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, 206 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 780 SDtfs, 1658 SDslu, 1048 SDs, 0 SdLazy, 4718 SolverSat, 640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 946 GetRequests, 793 SyntacticMatches, 51 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5112 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 14752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 32/101 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 70]: 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: ((((a1 <= 38 || !(a10 == 2)) && a12 == 0) && a4 == 14) || a19 == 9) || (((219 <= a1 || !(a19 == 8)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a1 <= 38 || !(a10 == 2)) || 218 < a1) || !(a19 == 8)) && a12 == 0) && a4 == 14) || a19 == 9 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 916.1 MB in the beginning and 1.1 GB in the end (delta: -223.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 56093.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 821.2 MB in the end (delta: 315.0 MB). Peak memory consumption was 495.9 MB. Max. memory is 11.5 GB. * CodeCheck took 6946.47 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 92.3 MB). Free memory was 821.2 MB in the beginning and 1.2 GB in the end (delta: -390.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 119.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...