./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.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_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:10:21,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:10:21,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:10:21,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:10:21,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:10:21,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:10:21,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:10:21,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:10:21,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:10:21,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:10:21,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:10:21,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:10:21,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:10:21,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:10:21,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:10:21,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:10:21,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:10:21,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:10:21,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:10:21,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:10:21,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:10:21,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:10:21,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:10:21,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:10:21,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:10:21,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:10:21,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:10:21,456 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:10:21,457 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:10:21,458 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:10:21,458 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:10:21,458 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:10:21,459 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:10:21,459 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:10:21,459 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:10:21,460 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:10:21,460 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:10:21,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:10:21,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:10:21,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:10:21,471 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:10:21,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:10:21,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:10:21,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:10:21,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:10:21,473 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:10:21,473 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:10:21,473 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:10:21,473 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:10:21,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:10:21,473 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:10:21,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:10:21,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:10:21,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:10:21,474 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:10:21,474 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:10:21,474 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:10:21,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:10:21,474 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_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 -> d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 [2018-11-18 17:10:21,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:10:21,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:10:21,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:10:21,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:10:21,515 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:10:21,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:10:21,560 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/74cfb8310/8d343718680e49019fdce9f333925af0/FLAG0edd10d54 [2018-11-18 17:10:21,891 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:10:21,891 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:10:21,895 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/74cfb8310/8d343718680e49019fdce9f333925af0/FLAG0edd10d54 [2018-11-18 17:10:22,340 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/74cfb8310/8d343718680e49019fdce9f333925af0 [2018-11-18 17:10:22,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:10:22,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:10:22,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:10:22,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:10:22,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:10:22,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36486ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22, skipping insertion in model container [2018-11-18 17:10:22,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:10:22,367 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:10:22,465 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:10:22,467 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:10:22,475 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:10:22,483 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:10:22,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22 WrapperNode [2018-11-18 17:10:22,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:10:22,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:10:22,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:10:22,484 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:10:22,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:10:22,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:10:22,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:10:22,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:10:22,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:10:22,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:10:22,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:10:22,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:10:22,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 17:10:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:10:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:10:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-18 17:10:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-18 17:10:22,676 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:10:22,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:10:22 BoogieIcfgContainer [2018-11-18 17:10:22,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:10:22,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:10:22,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:10:22,685 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:10:22,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:10:22" (1/1) ... [2018-11-18 17:10:22,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-18 17:10:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-18 17:10:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:10:22,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:22,889 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 17:10:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-18 17:10:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-18 17:10:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:10:22,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:10:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-11-18 17:10:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-18 17:10:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:10:23,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:10:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-11-18 17:10:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-11-18 17:10:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:10:23,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:10:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-11-18 17:10:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-18 17:10:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:10:24,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:10:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-11-18 17:10:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-11-18 17:10:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:10:24,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:10:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2018-11-18 17:10:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-18 17:10:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:10:25,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 17:10:26,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-11-18 17:10:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-18 17:10:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:10:26,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 17:10:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-11-18 17:10:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-11-18 17:10:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 17:10:26,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 17:10:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2018-11-18 17:10:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-11-18 17:10:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:10:27,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 17:10:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-11-18 17:10:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-11-18 17:10:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 17:10:29,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 17:10:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2018-11-18 17:10:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2018-11-18 17:10:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 17:10:30,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:10:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-11-18 17:10:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-11-18 17:10:31,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 17:10:31,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-18 17:10:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2018-11-18 17:10:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2018-11-18 17:10:33,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 17:10:33,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-18 17:10:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2018-11-18 17:10:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-18 17:10:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:10:34,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-18 17:10:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-18 17:10:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-18 17:10:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:10:36,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-18 17:10:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2018-11-18 17:10:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2018-11-18 17:10:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:10:38,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-18 17:10:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2018-11-18 17:10:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-11-18 17:10:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 17:10:40,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-18 17:10:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2018-11-18 17:10:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-11-18 17:10:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:10:43,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-18 17:10:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2018-11-18 17:10:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-18 17:10:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:45,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-11-18 17:10:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 113 states and 135 transitions. [2018-11-18 17:10:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 135 transitions. [2018-11-18 17:10:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 17:10:48,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:10:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:10:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:11:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 17:11:00,810 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: program execution has not yet been computed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getRcfgProgramExecution(TraceCheck.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:624) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:454) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 17:11:00,813 INFO L168 Benchmark]: Toolchain (without parser) took 38470.00 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 440.4 MB). Free memory was 959.2 MB in the beginning and 893.1 MB in the end (delta: 66.1 MB). Peak memory consumption was 506.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:00,814 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:11:00,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.71 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:00,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.74 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:11:00,815 INFO L168 Benchmark]: Boogie Preprocessor took 9.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:00,815 INFO L168 Benchmark]: RCFGBuilder took 164.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:00,816 INFO L168 Benchmark]: CodeCheck took 38135.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 314.6 MB). Free memory was 1.1 GB in the beginning and 893.1 MB in the end (delta: 222.2 MB). Peak memory consumption was 536.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:00,818 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: program execution has not yet been computed de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: program execution has not yet been computed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getRcfgProgramExecution(TraceCheck.java:440) * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.71 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.74 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.50 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * CodeCheck took 38135.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 314.6 MB). Free memory was 1.1 GB in the beginning and 893.1 MB in the end (delta: 222.2 MB). Peak memory consumption was 536.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:11:02,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:11:02,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:11:02,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:11:02,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:11:02,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:11:02,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:11:02,237 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:11:02,238 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:11:02,239 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:11:02,240 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:11:02,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:11:02,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:11:02,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:11:02,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:11:02,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:11:02,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:11:02,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:11:02,246 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:11:02,248 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:11:02,249 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:11:02,250 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:11:02,252 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:11:02,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:11:02,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:11:02,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:11:02,253 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:11:02,254 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:11:02,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:11:02,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:11:02,255 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:11:02,256 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:11:02,256 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:11:02,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:11:02,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:11:02,259 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:11:02,259 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 17:11:02,273 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:11:02,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:11:02,274 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:11:02,274 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:11:02,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:11:02,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:11:02,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:11:02,276 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:11:02,277 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:11:02,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:11:02,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:11:02,278 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:11:02,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:11:02,278 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:11:02,279 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:11:02,279 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:11:02,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:11:02,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:11:02,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:11:02,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:11:02,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:11:02,280 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 17:11:02,280 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:11:02,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:11:02,280 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:11:02,280 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:11:02,280 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_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 -> d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 [2018-11-18 17:11:02,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:11:02,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:11:02,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:11:02,325 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:11:02,325 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:11:02,326 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:11:02,370 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/c97689a1b/dffab0da67c6410a8f459f3bffb04bb0/FLAGf5a5f6e36 [2018-11-18 17:11:02,689 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:11:02,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/sv-benchmarks/c/recursive-simple/id_o20_false-unreach-call_true-termination_true-no-overflow.c [2018-11-18 17:11:02,693 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/c97689a1b/dffab0da67c6410a8f459f3bffb04bb0/FLAGf5a5f6e36 [2018-11-18 17:11:03,127 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/data/c97689a1b/dffab0da67c6410a8f459f3bffb04bb0 [2018-11-18 17:11:03,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:11:03,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:11:03,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:03,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:11:03,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:11:03,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502bafa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03, skipping insertion in model container [2018-11-18 17:11:03,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:11:03,150 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:11:03,256 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:03,258 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:11:03,267 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:03,276 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:11:03,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03 WrapperNode [2018-11-18 17:11:03,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:03,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:03,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:11:03,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:11:03,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:03,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:11:03,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:11:03,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:11:03,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:11:03,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:11:03,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:11:03,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:11:03,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/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 17:11:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:11:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:11:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-18 17:11:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-18 17:11:03,502 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:11:03,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:03 BoogieIcfgContainer [2018-11-18 17:11:03,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:11:03,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:11:03,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:11:03,511 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:11:03,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:03" (1/1) ... [2018-11-18 17:11:03,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-18 17:11:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-18 17:11:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:11:03,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:03,580 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:03,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:03,642 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 17:11:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-18 17:11:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-18 17:11:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:11:03,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:03,708 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:03,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:11:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-11-18 17:11:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-18 17:11:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:11:03,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:03,990 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:03,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:11:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-11-18 17:11:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-11-18 17:11:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:11:04,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:04,355 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:04,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:11:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-11-18 17:11:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-11-18 17:11:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 17:11:04,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:04,818 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:04,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:11:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-11-18 17:11:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-11-18 17:11:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:11:05,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:05,393 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:05,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:11:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2018-11-18 17:11:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-18 17:11:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:11:06,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:06,050 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:06,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 17:11:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-11-18 17:11:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-18 17:11:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:11:06,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:06,838 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:06,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 17:11:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-11-18 17:11:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-11-18 17:11:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 17:11:07,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:07,820 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:07,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 17:11:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2018-11-18 17:11:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-11-18 17:11:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:11:09,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:09,035 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:09,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 17:11:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-11-18 17:11:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-11-18 17:11:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 17:11:10,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:10,396 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:10,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 17:11:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2018-11-18 17:11:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2018-11-18 17:11:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 17:11:11,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:11,864 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:11,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:11:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-11-18 17:11:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-11-18 17:11:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 17:11:13,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:13,523 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:13,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-18 17:11:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2018-11-18 17:11:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2018-11-18 17:11:15,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 17:11:15,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:15,323 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:15,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-18 17:11:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2018-11-18 17:11:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-18 17:11:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:11:17,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:17,306 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:17,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-18 17:11:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-18 17:11:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-18 17:11:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:11:19,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:19,501 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:19,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-18 17:11:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2018-11-18 17:11:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2018-11-18 17:11:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:11:21,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:21,857 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:21,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-18 17:11:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2018-11-18 17:11:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-11-18 17:11:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 17:11:24,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:24,688 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:24,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-18 17:11:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2018-11-18 17:11:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-11-18 17:11:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:11:27,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:27,649 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:27,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-18 17:11:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2018-11-18 17:11:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-18 17:11:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:11:30,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:30,900 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:30,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-11-18 17:11:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 113 states and 135 transitions. [2018-11-18 17:11:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 135 transitions. [2018-11-18 17:11:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 17:11:34,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:34,204 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:11:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:11:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:11:34,290 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2018-11-18 17:11:34,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:11:34 ImpRootNode [2018-11-18 17:11:34,327 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:11:34,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:11:34,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:11:34,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:11:34,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:03" (3/4) ... [2018-11-18 17:11:34,330 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 17:11:34,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1736e9f-1fa4-4870-b37f-dd3614e65397/bin-2019/ukojak/witness.graphml [2018-11-18 17:11:34,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:11:34,396 INFO L168 Benchmark]: Toolchain (without parser) took 31266.40 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 526.9 MB). Free memory was 948.7 MB in the beginning and 1.3 GB in the end (delta: -347.8 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:34,397 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:11:34,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:34,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:34,398 INFO L168 Benchmark]: Boogie Preprocessor took 11.34 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:11:34,398 INFO L168 Benchmark]: RCFGBuilder took 195.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:34,399 INFO L168 Benchmark]: CodeCheck took 30824.61 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.0 MB). Peak memory consumption was 209.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:34,399 INFO L168 Benchmark]: Witness Printer took 67.70 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 17:11:34,403 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 2 procedures, 16 locations, 1 error locations. UNSAFE Result, 30.7s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7340032 SDtfs, 3145724 SDslu, 5242872 SDs, 0 SdLazy, 27262936 SolverSat, 13631468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7895 GetRequests, 7529 SyntacticMatches, 58 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43768 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 266864 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1800 ConjunctsInSsa, 460 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 3800/7600 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 - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] unsigned int input = __VERIFIER_nondet_uint(); [L11] CALL, EXPR id(input) VAL [\old(x)=20] [L5] COND FALSE !(x==0) VAL [\old(x)=20, x=20] [L6] CALL, EXPR id(x-1) VAL [\old(x)=19] [L5] COND FALSE !(x==0) VAL [\old(x)=19, x=19] [L6] CALL, EXPR id(x-1) VAL [\old(x)=18] [L5] COND FALSE !(x==0) VAL [\old(x)=18, x=18] [L6] CALL, EXPR id(x-1) VAL [\old(x)=17] [L5] COND FALSE !(x==0) VAL [\old(x)=17, x=17] [L6] CALL, EXPR id(x-1) VAL [\old(x)=16] [L5] COND FALSE !(x==0) VAL [\old(x)=16, x=16] [L6] CALL, EXPR id(x-1) VAL [\old(x)=15] [L5] COND FALSE !(x==0) VAL [\old(x)=15, x=15] [L6] CALL, EXPR id(x-1) VAL [\old(x)=14] [L5] COND FALSE !(x==0) VAL [\old(x)=14, x=14] [L6] CALL, EXPR id(x-1) VAL [\old(x)=13] [L5] COND FALSE !(x==0) VAL [\old(x)=13, x=13] [L6] CALL, EXPR id(x-1) VAL [\old(x)=12] [L5] COND FALSE !(x==0) VAL [\old(x)=12, x=12] [L6] CALL, EXPR id(x-1) VAL [\old(x)=11] [L5] COND FALSE !(x==0) VAL [\old(x)=11, x=11] [L6] CALL, EXPR id(x-1) VAL [\old(x)=10] [L5] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L6] CALL, EXPR id(x-1) VAL [\old(x)=9] [L5] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L6] CALL, EXPR id(x-1) VAL [\old(x)=8] [L5] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L6] CALL, EXPR id(x-1) VAL [\old(x)=7] [L5] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L6] CALL, EXPR id(x-1) VAL [\old(x)=6] [L5] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L6] CALL, EXPR id(x-1) VAL [\old(x)=5] [L5] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L6] CALL, EXPR id(x-1) VAL [\old(x)=4] [L5] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L6] CALL, EXPR id(x-1) VAL [\old(x)=3] [L5] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L6] CALL, EXPR id(x-1) VAL [\old(x)=2] [L5] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L6] CALL, EXPR id(x-1) VAL [\old(x)=1] [L5] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L6] CALL, EXPR id(x-1) VAL [\old(x)=0] [L5] COND TRUE x==0 [L5] RET return 0; VAL [\old(x)=0, \result=0, x=0] [L6] EXPR id(x-1) VAL [\old(x)=1, id(x-1)=0, x=1] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=2, id(x-1)=1, x=2] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=3, id(x-1)=2, x=3] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=4, id(x-1)=3, x=4] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=5, id(x-1)=4, x=5] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=6, id(x-1)=5, x=6] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=7, id(x-1)=6, x=7] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=8, id(x-1)=7, x=8] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=9, id(x-1)=8, x=9] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=10, id(x-1)=9, x=10] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=11, id(x-1)=10, x=11] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=12, id(x-1)=11, x=12] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=13, id(x-1)=12, x=13] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=14, id(x-1)=13, x=14] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=15, id(x-1)=14, x=15] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=16, id(x-1)=15, x=16] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=17, id(x-1)=16, x=17] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=18, id(x-1)=17, x=18] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=19, id(x-1)=18, x=19] [L6] RET return id(x-1) + 1; [L6] EXPR id(x-1) VAL [\old(x)=20, id(x-1)=19, x=20] [L6] RET return id(x-1) + 1; [L11] EXPR id(input) [L11] unsigned int result = id(input); [L12] COND TRUE result == 20 [L13] __VERIFIER_error() * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.34 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 195.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * CodeCheck took 30824.61 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.0 MB). Peak memory consumption was 209.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.70 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...