./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-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_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/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 e2b1b3074ba1970495a934bff93d8ae3ffe89d9a ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:48:06,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:48:06,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:48:06,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:48:06,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:48:06,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:48:06,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:48:06,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:48:06,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:48:06,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:48:06,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:48:06,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:48:06,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:48:06,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:48:06,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:48:06,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:48:06,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:48:06,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:48:06,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:48:06,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:48:06,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:48:06,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:48:06,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:48:06,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:48:06,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:48:06,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:48:06,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:48:06,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:48:06,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:48:06,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:48:06,053 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:48:06,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:48:06,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:48:06,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:48:06,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:48:06,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:48:06,054 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:48:06,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:48:06,061 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:48:06,062 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:48:06,062 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:48:06,062 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:48:06,062 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:48:06,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:48:06,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:48:06,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:48:06,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:48:06,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:48:06,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:48:06,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:48:06,064 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_89519280-9407-44c9-9e09-9fe8b935e890/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 -> e2b1b3074ba1970495a934bff93d8ae3ffe89d9a [2018-12-02 03:48:06,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:48:06,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:48:06,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:48:06,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:48:06,091 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:48:06,092 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-12-02 03:48:06,129 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/data/fd4e53fec/9f8f8562dc144c1fb160866d4e708f36/FLAGd4de7af47 [2018-12-02 03:48:06,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:48:06,567 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-12-02 03:48:06,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/data/fd4e53fec/9f8f8562dc144c1fb160866d4e708f36/FLAGd4de7af47 [2018-12-02 03:48:06,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/data/fd4e53fec/9f8f8562dc144c1fb160866d4e708f36 [2018-12-02 03:48:06,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:48:06,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:48:06,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:48:06,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:48:06,588 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:48:06,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:06,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06, skipping insertion in model container [2018-12-02 03:48:06,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:06,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:48:06,619 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:48:06,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:48:06,811 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:48:06,912 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:48:06,921 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:48:06,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06 WrapperNode [2018-12-02 03:48:06,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:48:06,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:48:06,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:48:06,923 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:48:06,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:06,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:06,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:48:06,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:48:06,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:48:06,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:48:06,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:06,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... [2018-12-02 03:48:07,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:48:07,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:48:07,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:48:07,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:48:07,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/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 [2018-12-02 03:48:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:48:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:53:04,571 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:53:04,572 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 03:53:04,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:04 BoogieIcfgContainer [2018-12-02 03:53:04,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:53:04,572 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:53:04,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:53:04,580 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:53:04,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:04" (1/1) ... [2018-12-02 03:53:04,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 03:53:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 03:53:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 03:53:04,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 03:53:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 03:53:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 03:53:04,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-02 03:53:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-02 03:53:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:53:05,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:06,059 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 31 [2018-12-02 03:53:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-12-02 03:53:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-12-02 03:53:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:53:07,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-12-02 03:53:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-12-02 03:53:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:53:07,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 86 transitions. [2018-12-02 03:53:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2018-12-02 03:53:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:53:29,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 41 states and 93 transitions. [2018-12-02 03:53:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2018-12-02 03:53:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:53:30,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 102 transitions. [2018-12-02 03:53:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 102 transitions. [2018-12-02 03:53:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:53:40,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:53:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 44 states and 102 transitions. [2018-12-02 03:53:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 102 transitions. [2018-12-02 03:53:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 03:53:41,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:53:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:54:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:54:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 108 transitions. [2018-12-02 03:54:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 108 transitions. [2018-12-02 03:54:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 03:54:12,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:54:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:54:13,448 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:54:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:54:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 41 states and 99 transitions. [2018-12-02 03:54:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 99 transitions. [2018-12-02 03:54:13,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:54:13,612 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 03:54:13,617 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 03:54:13,776 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-02 03:54:13,785 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 03:54:13,785 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:54:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:54:13 ImpRootNode [2018-12-02 03:54:13,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:54:13,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:54:13,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:54:13,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:54:13,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:04" (3/4) ... [2018-12-02 03:54:13,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:54:13,806 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-02 03:54:13,807 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 03:54:13,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 03:54:13,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:54:13,895 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89519280-9407-44c9-9e09-9fe8b935e890/bin-2019/ukojak/witness.graphml [2018-12-02 03:54:13,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:54:13,896 INFO L168 Benchmark]: Toolchain (without parser) took 367311.01 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 426.2 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -85.6 MB). Peak memory consumption was 340.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,896 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 03:54:13,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.48 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,897 INFO L168 Benchmark]: Boogie Preprocessor took 56.77 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,897 INFO L168 Benchmark]: RCFGBuilder took 297523.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 846.5 MB in the end (delta: 243.2 MB). Peak memory consumption was 359.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,898 INFO L168 Benchmark]: CodeCheck took 69213.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 846.5 MB in the beginning and 1.1 GB in the end (delta: -220.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,898 INFO L168 Benchmark]: Witness Printer took 109.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:54:13,900 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 1 error locations. SAFE Result, 69.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6188 SDtfs, 13542 SDslu, 8280 SDs, 0 SdLazy, 44144 SolverSat, 5394 SolverUnsat, 156 SolverUnknown, 0 SolverNotchecked, 226.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1633 GetRequests, 1406 SyntacticMatches, 95 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11810 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 46468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 8/179 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: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(a15 == 6) || !(a21 == 10)) || 0 <= a12 + 42 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a15 == 6) || 0 < a12 + 43) || !(a21 == 10) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.48 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.77 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 297523.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 846.5 MB in the end (delta: 243.2 MB). Peak memory consumption was 359.3 MB. Max. memory is 11.5 GB. * CodeCheck took 69213.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 846.5 MB in the beginning and 1.1 GB in the end (delta: -220.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 109.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...