./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.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_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/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 4bee55207936bfc858217d6eb21ff7cffafc0723 .................................................................................................................................................................................................................................................................................... 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 18:02:02,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:02:02,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:02:02,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:02:02,440 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:02:02,441 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:02:02,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:02:02,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:02:02,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:02:02,444 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:02:02,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:02:02,445 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:02:02,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:02:02,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:02:02,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:02:02,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:02:02,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:02:02,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:02:02,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:02:02,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:02:02,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:02:02,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:02:02,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:02:02,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:02:02,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:02:02,454 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:02:02,455 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:02:02,455 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:02:02,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:02:02,457 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:02:02,457 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:02:02,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:02:02,457 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:02:02,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:02:02,458 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:02:02,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:02:02,459 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:02:02,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:02:02,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:02:02,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:02:02,469 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:02:02,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:02:02,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:02:02,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:02:02,469 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:02:02,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:02:02,471 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:02:02,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:02:02,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:02:02,471 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:02:02,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:02:02,472 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:02:02,472 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:02:02,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:02:02,472 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_58a71321-ae05-4b7e-a731-189ddf59b8b8/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 -> 4bee55207936bfc858217d6eb21ff7cffafc0723 [2018-11-18 18:02:02,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:02:02,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:02:02,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:02:02,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:02:02,503 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:02:02,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-11-18 18:02:02,538 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/data/313fa5e9e/36c697644dd345958115cc39b00f4851/FLAGa85631fde [2018-11-18 18:02:02,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:02:02,987 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-11-18 18:02:02,997 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/data/313fa5e9e/36c697644dd345958115cc39b00f4851/FLAGa85631fde [2018-11-18 18:02:03,008 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/data/313fa5e9e/36c697644dd345958115cc39b00f4851 [2018-11-18 18:02:03,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:02:03,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:02:03,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:02:03,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:02:03,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:02:03,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03, skipping insertion in model container [2018-11-18 18:02:03,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:02:03,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:02:03,322 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:02:03,325 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:02:03,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:02:03,416 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:02:03,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03 WrapperNode [2018-11-18 18:02:03,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:02:03,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:02:03,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:02:03,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:02:03,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:02:03,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:02:03,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:02:03,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:02:03,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... [2018-11-18 18:02:03,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:02:03,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:02:03,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:02:03,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:02:03,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:02:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/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 18:02:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:02:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:02:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:06:41,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:06:41,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:06:41 BoogieIcfgContainer [2018-11-18 18:06:41,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:06:41,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:06:41,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:06:41,291 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:06:41,291 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:06:41" (1/1) ... [2018-11-18 18:06:41,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 18:06:41,332 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 18:06:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:06:41,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:41,503 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 18:06:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:41,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 18:06:41,582 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 18:06:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:06:41,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:42,630 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 18:06:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 18:06:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 18:06:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:06:42,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:43,617 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 49 [2018-11-18 18:06:43,644 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 18:06:44,232 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-11-18 18:06:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-18 18:06:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-18 18:06:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:06:44,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:44,767 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 18:06:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2018-11-18 18:06:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2018-11-18 18:06:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:06:44,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:45,214 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 18:06:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2018-11-18 18:06:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2018-11-18 18:06:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:06:45,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2018-11-18 18:06:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2018-11-18 18:06:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:06:47,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:49,317 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-11-18 18:06:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2018-11-18 18:06:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-11-18 18:06:49,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:06:49,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 115 transitions. [2018-11-18 18:06:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 115 transitions. [2018-11-18 18:06:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:06:50,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-11-18 18:06:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-11-18 18:06:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:06:50,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2018-11-18 18:06:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2018-11-18 18:06:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:06:52,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:06:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 18:06:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:06:53,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 125 transitions. [2018-11-18 18:06:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 125 transitions. [2018-11-18 18:06:53,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:06:53,505 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-18 18:06:53,510 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:06:53,752 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 18:06:53,758 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 18:06:53,759 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:06:53,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:06:53 ImpRootNode [2018-11-18 18:06:53,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:06:53,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:06:53,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:06:53,760 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:06:53,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:06:41" (3/4) ... [2018-11-18 18:06:53,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:06:53,780 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-18 18:06:53,781 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 18:06:53,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:06:53,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:06:53,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58a71321-ae05-4b7e-a731-189ddf59b8b8/bin-2019/ukojak/witness.graphml [2018-11-18 18:06:53,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:06:53,932 INFO L168 Benchmark]: Toolchain (without parser) took 290920.56 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 717.8 MB). Free memory was 951.1 MB in the beginning and 1.6 GB in the end (delta: -645.1 MB). Peak memory consumption was 724.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,932 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:06:53,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -229.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,933 INFO L168 Benchmark]: Boogie Preprocessor took 49.54 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,934 INFO L168 Benchmark]: RCFGBuilder took 277691.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.2 MB). Free memory was 1.1 GB in the beginning and 997.5 MB in the end (delta: 133.4 MB). Peak memory consumption was 523.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,934 INFO L168 Benchmark]: CodeCheck took 12477.21 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 265.3 MB). Free memory was 997.5 MB in the beginning and 772.1 MB in the end (delta: 225.4 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,934 INFO L168 Benchmark]: Witness Printer took 170.95 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 175.6 MB). Free memory was 772.1 MB in the beginning and 1.6 GB in the end (delta: -824.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:06:53,936 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, 12.1s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14220 SDtfs, 33892 SDslu, 32304 SDs, 0 SdLazy, 79128 SolverSat, 10480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1997 GetRequests, 1752 SyntacticMatches, 111 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11307 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 77590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 70/267 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: 163]: 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 == 5) || !(a21 == 7)) || 0 < a12 + 43) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a12 + 43 <= 0 && a21 == 7) || !(a15 == 5)) || !(a24 == 1) - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -229.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.54 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 277691.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.2 MB). Free memory was 1.1 GB in the beginning and 997.5 MB in the end (delta: 133.4 MB). Peak memory consumption was 523.8 MB. Max. memory is 11.5 GB. * CodeCheck took 12477.21 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 265.3 MB). Free memory was 997.5 MB in the beginning and 772.1 MB in the end (delta: 225.4 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. * Witness Printer took 170.95 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 175.6 MB). Free memory was 772.1 MB in the beginning and 1.6 GB in the end (delta: -824.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...