./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/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 64e5c46407a78b8946c1b8a8e041360873f42904 .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:34:36,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:34:36,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:34:36,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:34:36,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:34:36,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:34:36,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:34:36,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:34:36,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:34:36,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:34:36,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:34:37,000 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:34:37,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:34:37,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:34:37,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:34:37,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:34:37,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:34:37,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:34:37,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:34:37,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:34:37,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:34:37,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:34:37,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:34:37,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:34:37,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:34:37,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:34:37,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:34:37,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:34:37,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:34:37,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:34:37,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:34:37,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:34:37,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:34:37,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:34:37,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:34:37,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:34:37,015 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:34:37,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:34:37,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:34:37,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:34:37,024 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:34:37,024 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:34:37,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:34:37,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:34:37,026 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:34:37,026 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:34:37,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:34:37,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:34:37,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:34:37,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:34:37,028 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_d8551ffb-2d2c-48df-a206-8cc9943b22e6/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 -> 64e5c46407a78b8946c1b8a8e041360873f42904 [2018-11-10 12:34:37,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:34:37,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:34:37,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:34:37,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:34:37,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:34:37,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-11-10 12:34:37,096 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/data/b1b23a911/9136a7330fa744018f0897b341926307/FLAGe7f5f62d6 [2018-11-10 12:34:37,553 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:34:37,553 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-11-10 12:34:37,563 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/data/b1b23a911/9136a7330fa744018f0897b341926307/FLAGe7f5f62d6 [2018-11-10 12:34:37,576 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/data/b1b23a911/9136a7330fa744018f0897b341926307 [2018-11-10 12:34:37,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:34:37,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:34:37,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:34:37,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:34:37,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:34:37,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:37,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adf90f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37, skipping insertion in model container [2018-11-10 12:34:37,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:37,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:34:37,631 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:34:37,879 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:34:37,882 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:34:37,972 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:34:37,984 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:34:37,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37 WrapperNode [2018-11-10 12:34:37,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:34:37,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:34:37,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:34:37,986 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:34:37,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:34:38,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:34:38,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:34:38,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:34:38,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... [2018-11-10 12:34:38,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:34:38,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:34:38,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:34:38,182 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:34:38,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/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 [2018-11-10 12:34:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:34:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:34:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:39:17,625 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:39:17,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:17 BoogieIcfgContainer [2018-11-10 12:39:17,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:39:17,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:39:17,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:39:17,637 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:39:17,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:17" (1/1) ... [2018-11-10 12:39:17,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:39:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:39:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:39:17,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:39:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:39:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:39:17,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 12:39:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 12:39:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:39:18,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:19,528 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-10 12:39:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-10 12:39:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-10 12:39:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:39:21,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-10 12:39:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-10 12:39:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:39:22,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-11-10 12:39:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-10 12:39:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:39:34,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:35,528 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 17 [2018-11-10 12:39:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2018-11-10 12:39:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2018-11-10 12:39:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:39:36,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:37,097 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 19 [2018-11-10 12:39:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:39:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2018-11-10 12:39:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2018-11-10 12:39:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:39:52,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:39:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:39:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:39:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-10 12:39:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-10 12:39:54,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:39:54,519 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 12:39:54,527 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:39:54,765 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 12:39:54,774 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 12:39:54,774 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:39:54,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:39:54 ImpRootNode [2018-11-10 12:39:54,775 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:39:54,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:39:54,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:39:54,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:39:54,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:17" (3/4) ... [2018-11-10 12:39:54,779 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:39:54,796 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-10 12:39:54,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 12:39:54,798 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:39:54,800 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:39:54,897 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8551ffb-2d2c-48df-a206-8cc9943b22e6/bin-2019/ukojak/witness.graphml [2018-11-10 12:39:54,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:39:54,898 INFO L168 Benchmark]: Toolchain (without parser) took 317318.51 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 524.3 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -223.7 MB). Peak memory consumption was 300.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,899 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:39:54,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.06 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 912.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -231.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,900 INFO L168 Benchmark]: Boogie Preprocessor took 50.01 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,900 INFO L168 Benchmark]: RCFGBuilder took 279443.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 157.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -16.6 MB). Peak memory consumption was 567.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,901 INFO L168 Benchmark]: CodeCheck took 37149.23 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 201.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -50.7 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,901 INFO L168 Benchmark]: Witness Printer took 122.50 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:39:54,903 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 36.8s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1776 SDtfs, 4232 SDslu, 4032 SDs, 0 SdLazy, 8732 SolverSat, 1280 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 88.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1299 GetRequests, 1099 SyntacticMatches, 88 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8327 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 50920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 6/176 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: 193]: 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: 20]: Loop Invariant Derived loop invariant: ((!(a21 == 7) || !(a15 == 5)) || 12 <= a12) || (0 <= a12 + 49 && a12 + 49 <= 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 7) || 12 <= a12) || (0 <= a12 + 49 && a12 + 49 <= 0)) || !(a15 == 5) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.06 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 912.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -231.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.01 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 279443.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 157.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -16.6 MB). Peak memory consumption was 567.3 MB. Max. memory is 11.5 GB. * CodeCheck took 37149.23 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 201.9 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -50.7 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. * Witness Printer took 122.50 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...