./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/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 e2b1b3074ba1970495a934bff93d8ae3ffe89d9a ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:17:55,618 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:17:55,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:17:55,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:17:55,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:17:55,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:17:55,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:17:55,628 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:17:55,629 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:17:55,629 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:17:55,630 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:17:55,630 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:17:55,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:17:55,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:17:55,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:17:55,633 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:17:55,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:17:55,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:17:55,636 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:17:55,637 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:17:55,637 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:17:55,638 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:17:55,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:17:55,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:17:55,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:17:55,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:17:55,641 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:17:55,642 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:17:55,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:17:55,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:17:55,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:17:55,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:17:55,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:17:55,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:17:55,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:17:55,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:17:55,645 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:17:55,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:17:55,653 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:17:55,653 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:17:55,653 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:17:55,654 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:17:55,654 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:17:55,654 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:17:55,654 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:17:55,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:17:55,655 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:17:55,655 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:17:55,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:17:55,656 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:17:55,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:17:55,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:17:55,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:17:55,656 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:17:55,656 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:17:55,657 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:17:55,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:17:55,657 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_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/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 -> e2b1b3074ba1970495a934bff93d8ae3ffe89d9a [2018-11-10 05:17:55,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:17:55,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:17:55,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:17:55,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:17:55,685 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:17:55,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-11-10 05:17:55,721 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/data/d63a1cb8a/0e57a1ae0e8f48d38446683b7b14bbd9/FLAG1c8e334eb [2018-11-10 05:17:56,180 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:17:56,180 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-11-10 05:17:56,190 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/data/d63a1cb8a/0e57a1ae0e8f48d38446683b7b14bbd9/FLAG1c8e334eb [2018-11-10 05:17:56,203 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/data/d63a1cb8a/0e57a1ae0e8f48d38446683b7b14bbd9 [2018-11-10 05:17:56,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:17:56,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:17:56,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:17:56,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:17:56,211 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:17:56,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56, skipping insertion in model container [2018-11-10 05:17:56,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:17:56,260 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:17:56,503 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:17:56,506 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:17:56,594 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:17:56,606 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:17:56,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56 WrapperNode [2018-11-10 05:17:56,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:17:56,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:17:56,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:17:56,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:17:56,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:17:56,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:17:56,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:17:56,734 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:17:56,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... [2018-11-10 05:17:56,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:17:56,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:17:56,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:17:56,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:17:56,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/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 [2018-11-10 05:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:17:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:17:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:25:01,334 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:25:01,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:25:01 BoogieIcfgContainer [2018-11-10 05:25:01,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:25:01,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:25:01,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:25:01,343 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:25:01,343 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:25:01" (1/1) ... [2018-11-10 05:25:01,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:25:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:25:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:25:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:25:01,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:25:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:25:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:25:01,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 05:25:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 05:25:02,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:25:02,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-10 05:25:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-10 05:25:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:25:14,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-11-10 05:25:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-11-10 05:25:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:25:24,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-11-10 05:25:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-11-10 05:25:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:25:25,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:25:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:25:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:25:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:25:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-10 05:25:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-10 05:25:26,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:25:26,019 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 05:25:26,027 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:25:26,189 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 05:25:26,198 INFO L582 CodeCheckObserver]: Invariant with dag size 27 [2018-11-10 05:25:26,198 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:25:26,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:25:26 ImpRootNode [2018-11-10 05:25:26,199 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:25:26,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:25:26,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:25:26,199 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:25:26,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:25:01" (3/4) ... [2018-11-10 05:25:26,203 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:25:26,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 05:25:26,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:25:26,219 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:25:26,220 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:25:26,325 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6306ab9a-5d40-4856-b5c6-17cdbd9e5797/bin-2019/ukojak/witness.graphml [2018-11-10 05:25:26,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:25:26,326 INFO L168 Benchmark]: Toolchain (without parser) took 450120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 956.6 MB in the beginning and 897.9 MB in the end (delta: 58.7 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,328 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:25:26,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 910.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,328 INFO L168 Benchmark]: Boogie Preprocessor took 48.78 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,329 INFO L168 Benchmark]: RCFGBuilder took 424551.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 883.7 MB in the end (delta: 221.0 MB). Peak memory consumption was 381.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,329 INFO L168 Benchmark]: CodeCheck took 24864.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 883.7 MB in the beginning and 925.1 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:25:26,329 INFO L168 Benchmark]: Witness Printer took 126.56 ms. Allocated memory is still 1.2 GB. Free memory was 925.1 MB in the beginning and 897.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:25:26,331 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, 246 locations, 1 error locations. SAFE Result, 24.6s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 1088 SDslu, 992 SDs, 0 SdLazy, 2220 SolverSat, 364 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 72.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 807 GetRequests, 700 SyntacticMatches, 41 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2702 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 19700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/84 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: 100]: 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: 880]: Loop Invariant Derived loop invariant: (!(a15 == 6) || ((0 <= a12 + 42 || !(a21 == 10)) && a24 == 1)) || (a21 == 6 || a21 == 8) || a21 == 9 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a15 == 6) || (!(a12 + 43 <= 0 && a24 == 1) && (((a21 == 6 || a24 == 1) || a21 == 8) || a21 == 9))) || (a24 == 1 && !(a21 == 10)) - InvariantResult [Line: 874]: 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 910.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.78 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 424551.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 883.7 MB in the end (delta: 221.0 MB). Peak memory consumption was 381.8 MB. Max. memory is 11.5 GB. * CodeCheck took 24864.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Free memory was 883.7 MB in the beginning and 925.1 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 126.56 ms. Allocated memory is still 1.2 GB. Free memory was 925.1 MB in the beginning and 897.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...