./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/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 d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:20:05,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:20:05,980 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:20:05,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:20:05,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:20:05,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:20:05,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:20:05,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:20:05,989 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:20:05,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:20:05,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:20:05,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:20:05,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:20:05,990 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:20:05,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:20:05,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:20:05,992 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:20:05,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:20:05,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:20:05,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:20:05,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:20:05,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:20:05,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:20:05,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:20:05,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:20:05,996 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:20:05,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:20:05,997 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:20:05,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:20:05,998 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:20:05,998 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:20:05,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:20:05,999 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:20:05,999 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:20:05,999 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:20:05,999 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:20:06,000 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:20:06,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:20:06,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:20:06,007 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:20:06,007 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:20:06,007 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:20:06,007 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:20:06,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:20:06,008 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:20:06,009 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:20:06,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:20:06,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:20:06,009 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:20:06,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:20:06,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:20:06,010 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_19266e45-3031-4acb-8e3a-8b4fba0e2031/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 -> d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd [2018-12-08 20:20:06,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:20:06,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:20:06,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:20:06,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:20:06,040 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:20:06,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c [2018-12-08 20:20:06,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/data/bfb18229c/6992652c85c14e0faad1a2d6a87fbbe5/FLAGf4059c9f5 [2018-12-08 20:20:06,449 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:20:06,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c [2018-12-08 20:20:06,453 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/data/bfb18229c/6992652c85c14e0faad1a2d6a87fbbe5/FLAGf4059c9f5 [2018-12-08 20:20:06,461 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/data/bfb18229c/6992652c85c14e0faad1a2d6a87fbbe5 [2018-12-08 20:20:06,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:20:06,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:20:06,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:06,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:20:06,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:20:06,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f385d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06, skipping insertion in model container [2018-12-08 20:20:06,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:20:06,482 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:20:06,563 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:06,565 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:20:06,574 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:06,582 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:20:06,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06 WrapperNode [2018-12-08 20:20:06,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:06,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:06,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:20:06,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:20:06,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:06,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:20:06,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:20:06,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:20:06,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:20:06,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:20:06,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:20:06,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:20:06,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/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 [2018-12-08 20:20:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:20:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:20:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-12-08 20:20:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-12-08 20:20:06,753 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:20:06,753 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 20:20:06,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:06 BoogieIcfgContainer [2018-12-08 20:20:06,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:20:06,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:20:06,754 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:20:06,760 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:20:06,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-08 20:20:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-08 20:20:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 20:20:06,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-12-08 20:20:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-08 20:20:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 20:20:06,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:20:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-12-08 20:20:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-12-08 20:20:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 20:20:07,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 20:20:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-12-08 20:20:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-08 20:20:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 20:20:07,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 20:20:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2018-12-08 20:20:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-12-08 20:20:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 20:20:07,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:20:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2018-12-08 20:20:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-12-08 20:20:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 20:20:07,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 20:20:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2018-12-08 20:20:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-08 20:20:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 20:20:07,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 20:20:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2018-12-08 20:20:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2018-12-08 20:20:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 20:20:07,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:20:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2018-12-08 20:20:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2018-12-08 20:20:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:20:07,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 20:20:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2018-12-08 20:20:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2018-12-08 20:20:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 20:20:07,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 20:20:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2018-12-08 20:20:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2018-12-08 20:20:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:20:08,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-08 20:20:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2018-12-08 20:20:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2018-12-08 20:20:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:20:12,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:20:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-08 20:20:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:20:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2018-12-08 20:20:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-12-08 20:20:13,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:20:13,994 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-08 20:20:14,000 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:20:14,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:20:14 ImpRootNode [2018-12-08 20:20:14,159 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:20:14,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:20:14,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:20:14,159 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:20:14,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:06" (3/4) ... [2018-12-08 20:20:14,162 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:20:14,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-12-08 20:20:14,168 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:20:14,169 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:20:14,195 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19266e45-3031-4acb-8e3a-8b4fba0e2031/bin-2019/ukojak/witness.graphml [2018-12-08 20:20:14,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:20:14,196 INFO L168 Benchmark]: Toolchain (without parser) took 7733.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,197 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:20:14,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 942.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,198 INFO L168 Benchmark]: Boogie Preprocessor took 9.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:20:14,198 INFO L168 Benchmark]: RCFGBuilder took 141.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,198 INFO L168 Benchmark]: CodeCheck took 7405.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,199 INFO L168 Benchmark]: Witness Printer took 36.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:14,201 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, 15 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 71424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 942.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 141.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * CodeCheck took 7405.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...