./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.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_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/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 9388cf462804d47fad308dddce36b73ef7e2c945 ..................................................................................................................................................................................................................................................... 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 05:30:48,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:30:48,224 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:30:48,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:30:48,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:30:48,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:30:48,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:30:48,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:30:48,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:30:48,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:30:48,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:30:48,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:30:48,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:30:48,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:30:48,240 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:30:48,240 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:30:48,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:30:48,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:30:48,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:30:48,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:30:48,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:30:48,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:30:48,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:30:48,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:30:48,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:30:48,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:30:48,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:30:48,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:30:48,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:30:48,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:30:48,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:30:48,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:30:48,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:30:48,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:30:48,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:30:48,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:30:48,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:30:48,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:30:48,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:30:48,265 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:30:48,265 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:30:48,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:30:48,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:30:48,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:30:48,266 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:30:48,266 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:30:48,266 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:30:48,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:30:48,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:30:48,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:30:48,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:30:48,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:30:48,269 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_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/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 -> 9388cf462804d47fad308dddce36b73ef7e2c945 [2018-11-10 05:30:48,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:30:48,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:30:48,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:30:48,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:30:48,301 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:30:48,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-11-10 05:30:48,337 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/data/bab816e49/99ac964e803546eaa7cf77820c162913/FLAG4b6056fac [2018-11-10 05:30:48,702 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:30:48,703 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/sv-benchmarks/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-11-10 05:30:48,714 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/data/bab816e49/99ac964e803546eaa7cf77820c162913/FLAG4b6056fac [2018-11-10 05:30:48,726 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/data/bab816e49/99ac964e803546eaa7cf77820c162913 [2018-11-10 05:30:48,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:30:48,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:30:48,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:48,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:30:48,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:30:48,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:48" (1/1) ... [2018-11-10 05:30:48,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:48, skipping insertion in model container [2018-11-10 05:30:48,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:48" (1/1) ... [2018-11-10 05:30:48,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:30:48,782 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:30:49,002 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:49,004 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:30:49,072 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:49,084 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:30:49,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49 WrapperNode [2018-11-10 05:30:49,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:49,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:30:49,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:30:49,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:30:49,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:30:49,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:30:49,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:30:49,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:30:49,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... [2018-11-10 05:30:49,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:30:49,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:30:49,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:30:49,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:30:49,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/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 05:30:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:30:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:30:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:32:47,579 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:32:47,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:47 BoogieIcfgContainer [2018-11-10 05:32:47,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:32:47,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:32:47,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:32:47,590 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:32:47,591 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:47" (1/1) ... [2018-11-10 05:32:47,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:32:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:32:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:32:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:32:47,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:47,801 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 05:32:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:32:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:32:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:32:47,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:48,264 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 05:32:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-10 05:32:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-10 05:32:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:32:48,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:32:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-10 05:32:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-10 05:32:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:32:49,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:32:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-10 05:32:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-10 05:32:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:32:50,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:32:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-10 05:32:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-10 05:32:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:32:50,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:32:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-11-10 05:32:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-11-10 05:32:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:32:51,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:32:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:32:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 05:32:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:32:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-11-10 05:32:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-11-10 05:32:52,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:32:52,851 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 05:32:52,858 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:32:52,997 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 05:32:53,004 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-11-10 05:32:53,005 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:32:53,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:32:53 ImpRootNode [2018-11-10 05:32:53,005 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:32:53,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:32:53,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:32:53,006 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:32:53,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:32:47" (3/4) ... [2018-11-10 05:32:53,011 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:32:53,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 05:32:53,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 05:32:53,027 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 05:32:53,027 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:32:53,106 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3441749-7b6f-4264-ac8a-d0c1cc690a1e/bin-2019/ukojak/witness.graphml [2018-11-10 05:32:53,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:32:53,107 INFO L168 Benchmark]: Toolchain (without parser) took 124378.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 952.2 MB in the beginning and 810.4 MB in the end (delta: 141.7 MB). Peak memory consumption was 454.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,108 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:32:53,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.42 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,109 INFO L168 Benchmark]: Boogie Preprocessor took 50.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,109 INFO L168 Benchmark]: RCFGBuilder took 118331.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.2 MB). Peak memory consumption was 494.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,110 INFO L168 Benchmark]: CodeCheck took 5425.18 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.4 MB). Free memory was 1.2 GB in the beginning and 827.7 MB in the end (delta: 413.1 MB). Peak memory consumption was 421.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,110 INFO L168 Benchmark]: Witness Printer took 101.00 ms. Allocated memory is still 1.3 GB. Free memory was 827.7 MB in the beginning and 810.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:32:53,112 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, 207 locations, 1 error locations. SAFE Result, 5.2s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 2042 SDslu, 2000 SDs, 0 SdLazy, 4174 SolverSat, 584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1023 GetRequests, 878 SyntacticMatches, 59 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3708 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 22665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 35/116 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: 151]: 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: (a12 == 0 && a4 == 14) && (((38 < a1 || !(a19 == 8)) || a1 + 13 <= 0) || !(a10 == 0)) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((a12 == 0 && a4 == 14) && (a1 + 13 <= 0 || !(a10 == 0))) || ((a12 == 0 && (!(a19 == 8) || 39 <= a1)) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.42 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 922.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118331.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.2 MB). Peak memory consumption was 494.9 MB. Max. memory is 11.5 GB. * CodeCheck took 5425.18 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.4 MB). Free memory was 1.2 GB in the beginning and 827.7 MB in the end (delta: 413.1 MB). Peak memory consumption was 421.5 MB. Max. memory is 11.5 GB. * Witness Printer took 101.00 ms. Allocated memory is still 1.3 GB. Free memory was 827.7 MB in the beginning and 810.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...