./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/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 fbcb07371208327a722ea46e4a68d92ffffb2dff ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:38:04,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:38:04,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:38:04,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:38:04,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:38:04,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:38:04,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:38:04,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:38:04,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:38:04,794 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:38:04,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:38:04,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:38:04,796 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:38:04,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:38:04,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:38:04,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:38:04,798 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:38:04,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:38:04,801 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:38:04,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:38:04,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:38:04,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:38:04,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:38:04,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:38:04,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:38:04,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:38:04,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:38:04,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:38:04,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:38:04,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:38:04,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:38:04,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:38:04,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:38:04,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:38:04,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:38:04,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:38:04,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:38:04,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:38:04,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:38:04,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:38:04,823 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:38:04,823 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:38:04,823 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:38:04,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:38:04,823 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:38:04,824 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:38:04,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:38:04,825 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:38:04,825 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:38:04,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:38:04,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:38:04,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:38:04,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:38:04,825 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:38:04,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:38:04,826 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:38:04,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:38:04,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:38:04,826 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_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2018-11-18 08:38:04,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:38:04,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:38:04,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:38:04,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:38:04,859 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:38:04,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-18 08:38:04,896 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/data/41bfcc472/206e99a00081442e9dc579936dabb958/FLAG4665575c8 [2018-11-18 08:38:05,265 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:38:05,266 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-18 08:38:05,275 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/data/41bfcc472/206e99a00081442e9dc579936dabb958/FLAG4665575c8 [2018-11-18 08:38:05,287 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/data/41bfcc472/206e99a00081442e9dc579936dabb958 [2018-11-18 08:38:05,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:38:05,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:38:05,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:38:05,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:38:05,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:38:05,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de76a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05, skipping insertion in model container [2018-11-18 08:38:05,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:38:05,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:38:05,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:38:05,582 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:38:05,648 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:38:05,661 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:38:05,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05 WrapperNode [2018-11-18 08:38:05,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:38:05,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:38:05,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:38:05,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:38:05,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:38:05,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:38:05,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:38:05,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:38:05,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... [2018-11-18 08:38:05,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:38:05,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:38:05,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:38:05,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:38:05,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/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 [2018-11-18 08:38:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:38:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:38:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:39:01,316 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:39:01,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:01 BoogieIcfgContainer [2018-11-18 08:39:01,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:39:01,317 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:39:01,317 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:39:01,392 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:39:01,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:01" (1/1) ... [2018-11-18 08:39:01,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:39:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 08:39:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 08:39:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 08:39:01,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:39:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 08:39:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 08:39:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:39:01,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:39:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 08:39:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 08:39:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:39:02,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:39:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-18 08:39:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-18 08:39:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:39:02,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:39:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-11-18 08:39:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-11-18 08:39:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:39:03,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 08:39:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2018-11-18 08:39:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2018-11-18 08:39:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:39:04,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:39:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2018-11-18 08:39:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-11-18 08:39:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:39:05,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:39:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:39:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:39:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:39:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-11-18 08:39:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-11-18 08:39:05,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:39:05,489 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 08:39:05,495 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 08:39:05,662 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 08:39:05,669 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 08:39:05,670 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:39:05,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:39:05 ImpRootNode [2018-11-18 08:39:05,670 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:39:05,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:39:05,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:39:05,671 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:39:05,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:01" (3/4) ... [2018-11-18 08:39:05,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:39:05,691 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-18 08:39:05,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 08:39:05,692 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:39:05,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 08:39:05,784 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4dd919a-e10d-4f1d-b6ac-c1c326578a65/bin-2019/ukojak/witness.graphml [2018-11-18 08:39:05,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:39:05,785 INFO L168 Benchmark]: Toolchain (without parser) took 60494.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.5 MB). Free memory was 950.0 MB in the beginning and 859.3 MB in the end (delta: 90.7 MB). Peak memory consumption was 469.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:05,786 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-18 08:39:05,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:05,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:05,787 INFO L168 Benchmark]: Boogie Preprocessor took 45.58 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. [2018-11-18 08:39:05,787 INFO L168 Benchmark]: RCFGBuilder took 55498.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 792.7 MB in the end (delta: 316.0 MB). Peak memory consumption was 496.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:05,787 INFO L168 Benchmark]: CodeCheck took 4353.25 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 71.3 MB). Free memory was 792.7 MB in the beginning and 879.6 MB in the end (delta: -87.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:39:05,788 INFO L168 Benchmark]: Witness Printer took 113.82 ms. Allocated memory is still 1.4 GB. Free memory was 879.6 MB in the beginning and 859.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:05,789 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, 207 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 864 SDtfs, 1944 SDslu, 1920 SDs, 0 SdLazy, 3628 SolverSat, 540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1071 GetRequests, 939 SyntacticMatches, 64 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2539 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 23030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 45/149 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: 193]: 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: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || a1 <= 218) || !(a19 == 7)) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 3) && a12 == 0) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14)) || ((a1 <= 218 && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 369.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.58 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 55498.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 792.7 MB in the end (delta: 316.0 MB). Peak memory consumption was 496.9 MB. Max. memory is 11.5 GB. * CodeCheck took 4353.25 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 71.3 MB). Free memory was 792.7 MB in the beginning and 879.6 MB in the end (delta: -87.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 113.82 ms. Allocated memory is still 1.4 GB. Free memory was 879.6 MB in the beginning and 859.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...