./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/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_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/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-aa41828 [2018-11-23 00:26:50,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:26:50,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:26:50,423 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:26:50,423 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:26:50,424 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:26:50,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:26:50,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:26:50,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:26:50,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:26:50,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:26:50,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:26:50,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:26:50,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:26:50,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:26:50,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:26:50,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:26:50,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:26:50,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:26:50,435 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:26:50,436 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:26:50,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:26:50,438 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:26:50,438 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:26:50,438 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:26:50,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:26:50,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:26:50,440 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:26:50,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:26:50,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:26:50,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:26:50,442 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:26:50,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:26:50,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:26:50,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:26:50,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:26:50,444 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:26:50,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:26:50,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:26:50,455 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:26:50,455 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:26:50,456 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:26:50,456 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:26:50,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:26:50,456 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:26:50,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:26:50,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:26:50,458 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:26:50,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:26:50,458 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:26:50,458 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:26:50,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:26:50,458 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:26:50,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:26:50,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:26:50,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:26:50,459 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:26:50,459 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:26:50,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:26:50,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:26:50,460 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_5e3da349-167c-4074-a49c-85e68f3b8ece/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 [2018-11-23 00:26:50,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:26:50,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:26:50,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:26:50,497 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:26:50,497 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:26:50,497 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-11-23 00:26:50,534 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/data/09c0aaa63/70009fb93bac4e9e9b70074df19a32ad/FLAGcd9ebc62a [2018-11-23 00:26:50,981 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:26:50,982 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-11-23 00:26:50,991 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/data/09c0aaa63/70009fb93bac4e9e9b70074df19a32ad/FLAGcd9ebc62a [2018-11-23 00:26:51,003 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/data/09c0aaa63/70009fb93bac4e9e9b70074df19a32ad [2018-11-23 00:26:51,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:26:51,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:26:51,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:26:51,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:26:51,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:26:51,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585def0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51, skipping insertion in model container [2018-11-23 00:26:51,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:26:51,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:26:51,324 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:26:51,326 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:26:51,412 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:26:51,421 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:26:51,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51 WrapperNode [2018-11-23 00:26:51,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:26:51,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:26:51,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:26:51,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:26:51,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:26:51,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:26:51,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:26:51,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:26:51,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... [2018-11-23 00:26:51,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:26:51,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:26:51,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:26:51,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:26:51,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:26:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:26:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:26:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:31:10,536 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:31:10,536 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:31:10,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10 BoogieIcfgContainer [2018-11-23 00:31:10,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:31:10,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:31:10,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:31:10,543 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:31:10,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10" (1/1) ... [2018-11-23 00:31:10,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 00:31:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 00:31:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 00:31:10,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 00:31:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 00:31:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:31:10,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-23 00:31:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-23 00:31:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:31:11,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-23 00:31:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-23 00:31:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:31:13,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-11-23 00:31:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-11-23 00:31:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:31:13,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-11-23 00:31:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-11-23 00:31:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:31:14,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-23 00:31:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-23 00:31:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 00:31:26,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2018-11-23 00:31:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2018-11-23 00:31:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 00:31:38,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2018-11-23 00:31:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2018-11-23 00:31:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 00:31:40,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:31:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2018-11-23 00:31:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2018-11-23 00:31:41,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:31:41,463 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 00:31:41,469 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:31:41,710 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 00:31:41,718 INFO L579 CodeCheckObserver]: Invariant with dag size 40 [2018-11-23 00:31:41,719 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:31:41,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:31:41 ImpRootNode [2018-11-23 00:31:41,720 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:31:41,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:31:41,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:31:41,720 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:31:41,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10" (3/4) ... [2018-11-23 00:31:41,724 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:31:41,742 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-23 00:31:41,744 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 00:31:41,745 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:31:41,746 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:31:41,852 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e3da349-167c-4074-a49c-85e68f3b8ece/bin-2019/ukojak/witness.graphml [2018-11-23 00:31:41,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:31:41,853 INFO L168 Benchmark]: Toolchain (without parser) took 290847.46 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 666.9 MB). Free memory was 951.2 MB in the beginning and 833.7 MB in the end (delta: 117.5 MB). Peak memory consumption was 784.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,854 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:31:41,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 910.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -236.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,855 INFO L168 Benchmark]: Boogie Preprocessor took 48.97 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. [2018-11-23 00:31:41,855 INFO L168 Benchmark]: RCFGBuilder took 258945.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.3 MB). Peak memory consumption was 556.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,856 INFO L168 Benchmark]: CodeCheck took 31183.05 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 330.3 MB). Free memory was 1.1 GB in the beginning and 863.8 MB in the end (delta: 279.4 MB). Peak memory consumption was 609.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,856 INFO L168 Benchmark]: Witness Printer took 132.77 ms. Allocated memory is still 1.7 GB. Free memory was 863.8 MB in the beginning and 833.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:41,857 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, 245 locations, 1 error locations. SAFE Result, 30.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2796 SDtfs, 6040 SDslu, 3544 SDs, 0 SdLazy, 16960 SolverSat, 2564 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 73.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1383 GetRequests, 1139 SyntacticMatches, 102 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15711 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 45664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 32/223 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) || 0 < a12 + 43) || !(a21 == 7) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((0 < a12 + 43 || !(a21 == 7)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a15 == 8)) || (0 < a12 + 49 && a15 == 8)) || (!(a15 == 8 && a24 == 1) && !(a15 == 5)) - 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 910.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -236.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.97 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 258945.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.3 MB). Peak memory consumption was 556.6 MB. Max. memory is 11.5 GB. * CodeCheck took 31183.05 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 330.3 MB). Free memory was 1.1 GB in the beginning and 863.8 MB in the end (delta: 279.4 MB). Peak memory consumption was 609.7 MB. Max. memory is 11.5 GB. * Witness Printer took 132.77 ms. Allocated memory is still 1.7 GB. Free memory was 863.8 MB in the beginning and 833.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...