./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.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_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/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 38eca36787df6152c26f941ea8052099b3b63076 ........................................................................................................................................................................................................................................................... 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 11:40:29,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:40:29,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:40:29,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:40:29,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:40:29,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:40:29,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:40:29,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:40:29,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:40:29,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:40:29,588 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:40:29,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:40:29,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:40:29,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:40:29,591 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:40:29,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:40:29,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:40:29,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:40:29,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:40:29,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:40:29,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:40:29,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:40:29,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:40:29,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:40:29,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:40:29,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:40:29,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:40:29,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:40:29,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:40:29,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:40:29,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:40:29,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:40:29,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:40:29,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:40:29,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:40:29,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:40:29,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:40:29,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:40:29,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:40:29,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:40:29,613 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:40:29,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:40:29,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:40:29,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:40:29,614 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:40:29,614 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:40:29,615 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:40:29,616 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:40:29,616 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:40:29,616 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:40:29,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:40:29,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:40:29,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:40:29,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:40:29,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:40:29,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:40:29,617 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:40:29,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:40:29,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:40:29,617 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_b4645e83-f4aa-42f6-9bf4-423ff75d0173/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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-11-10 11:40:29,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:40:29,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:40:29,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:40:29,659 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:40:29,659 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:40:29,660 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-10 11:40:29,709 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/data/d1b794629/35d14b16d1f844c0884465e01fc1c237/FLAGd754a80f2 [2018-11-10 11:40:30,065 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:40:30,066 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-10 11:40:30,076 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/data/d1b794629/35d14b16d1f844c0884465e01fc1c237/FLAGd754a80f2 [2018-11-10 11:40:30,088 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/data/d1b794629/35d14b16d1f844c0884465e01fc1c237 [2018-11-10 11:40:30,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:40:30,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:40:30,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:40:30,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:40:30,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:40:30,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,100 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 11:40:30, skipping insertion in model container [2018-11-10 11:40:30,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:40:30,151 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:40:30,404 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:40:30,407 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:40:30,483 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:40:30,492 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:40:30,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30 WrapperNode [2018-11-10 11:40:30,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:40:30,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:40:30,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:40:30,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:40:30,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:40:30,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:40:30,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:40:30,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:40:30,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... [2018-11-10 11:40:30,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:40:30,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:40:30,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:40:30,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:40:30,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:40:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/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 11:40:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:40:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:40:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:42:06,546 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:42:06,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:42:06 BoogieIcfgContainer [2018-11-10 11:42:06,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:42:06,547 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:42:06,547 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:42:06,557 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:42:06,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:42:06" (1/1) ... [2018-11-10 11:42:06,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:42:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:42:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:42:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:42:06,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:06,765 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 11:42:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 11:42:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 11:42:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:42:06,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:07,209 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 11:42:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-10 11:42:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-10 11:42:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:42:08,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:09,020 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 11:42:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-10 11:42:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-10 11:42:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:42:09,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:09,982 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 11:42:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-10 11:42:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-10 11:42:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:42:10,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:10,567 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 11:42:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-11-10 11:42:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-11-10 11:42:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:42:10,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 11:42:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-10 11:42:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-10 11:42:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:42:12,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 11:42:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-11-10 11:42:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-11-10 11:42:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:42:13,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:42:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:42:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 11:42:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:42:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-11-10 11:42:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-11-10 11:42:14,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:42:14,478 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 11:42:14,487 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:42:14,702 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 11:42:14,708 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:42:14,709 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 11:42:14,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:42:14 ImpRootNode [2018-11-10 11:42:14,710 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:42:14,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:42:14,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:42:14,710 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:42:14,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:42:06" (3/4) ... [2018-11-10 11:42:14,715 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:42:14,730 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 11:42:14,731 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 11:42:14,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:42:14,733 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:42:14,815 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4645e83-f4aa-42f6-9bf4-423ff75d0173/bin-2019/ukojak/witness.graphml [2018-11-10 11:42:14,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:42:14,816 INFO L168 Benchmark]: Toolchain (without parser) took 104724.09 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 439.9 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -360.0 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,816 INFO L168 Benchmark]: CDTParser took 0.15 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 11:42:14,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,818 INFO L168 Benchmark]: Boogie Preprocessor took 57.19 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,818 INFO L168 Benchmark]: RCFGBuilder took 95877.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -147.3 MB). Peak memory consumption was 497.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,818 INFO L168 Benchmark]: CodeCheck took 8162.77 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 133.7 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -82.1 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,819 INFO L168 Benchmark]: Witness Printer took 104.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:42:14,821 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, 7.9s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772 SDtfs, 4274 SDslu, 4016 SDs, 0 SdLazy, 9008 SolverSat, 1214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1153 SyntacticMatches, 73 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5755 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 26625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 50/186 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: 187]: 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: (((!(a10 == 3) || 0 <= a1 + 12) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || !(a19 == 6)) || 0 < a1 + 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 399.88 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 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 118.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.19 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 95877.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -147.3 MB). Peak memory consumption was 497.0 MB. Max. memory is 11.5 GB. * CodeCheck took 8162.77 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 133.7 MB). Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -82.1 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Witness Printer took 104.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...