./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_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_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/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 cbdb653cfcf101dac558ea109da390cc04b5e9b8 ........................................................................................................................................................................................................................ 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 11:51:11,170 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:51:11,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:51:11,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:51:11,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:51:11,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:51:11,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:51:11,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:51:11,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:51:11,184 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:51:11,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:51:11,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:51:11,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:51:11,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:51:11,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:51:11,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:51:11,189 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:51:11,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:51:11,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:51:11,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:51:11,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:51:11,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:51:11,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:51:11,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:51:11,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:51:11,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:51:11,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:51:11,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:51:11,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:51:11,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:51:11,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:51:11,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:51:11,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:51:11,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:51:11,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:51:11,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:51:11,204 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:51:11,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:51:11,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:51:11,218 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:51:11,218 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:51:11,218 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:51:11,218 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:51:11,219 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:51:11,219 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:51:11,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:51:11,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:51:11,219 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:51:11,219 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:51:11,220 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:51:11,220 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:51:11,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:51:11,221 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:51:11,221 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:51:11,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:51:11,222 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_d0713339-5d25-4865-bc06-eb8af9d02c31/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 -> cbdb653cfcf101dac558ea109da390cc04b5e9b8 [2018-11-10 11:51:11,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:51:11,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:51:11,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:51:11,263 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:51:11,263 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:51:11,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-11-10 11:51:11,308 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/data/332d25491/f39c55c6b121440ab1d7dfbeaa1feefd/FLAG1f36bb467 [2018-11-10 11:51:11,730 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:51:11,731 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-11-10 11:51:11,743 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/data/332d25491/f39c55c6b121440ab1d7dfbeaa1feefd/FLAG1f36bb467 [2018-11-10 11:51:11,756 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/data/332d25491/f39c55c6b121440ab1d7dfbeaa1feefd [2018-11-10 11:51:11,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:51:11,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:51:11,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:11,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:51:11,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:51:11,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a485652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11, skipping insertion in model container [2018-11-10 11:51:11,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:51:11,821 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:51:12,136 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:12,140 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:51:12,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:12,250 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:51:12,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12 WrapperNode [2018-11-10 11:51:12,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:12,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:51:12,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:51:12,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:51:12,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:51:12,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:51:12,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:51:12,407 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:51:12,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... [2018-11-10 11:51:12,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:51:12,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:51:12,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:51:12,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:51:12,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/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 11:51:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:51:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:51:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:57:25,567 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:57:25,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:25 BoogieIcfgContainer [2018-11-10 11:57:25,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:57:25,568 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:57:25,568 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:57:25,577 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:57:25,577 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:25" (1/1) ... [2018-11-10 11:57:25,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:57:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:57:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:57:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:57:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:57:25,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:57:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:25,823 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 11:57:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:57:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 11:57:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 11:57:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:57:25,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:57:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:26,540 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 11:57:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:57:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 11:57:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 11:57:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:57:36,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:57:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:57:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:57:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:57:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-11-10 11:57:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-11-10 11:57:37,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:57:37,642 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 11:57:37,650 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:57:37,822 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 11:57:37,832 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 11:57:37,832 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:57:37,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:57:37 ImpRootNode [2018-11-10 11:57:37,833 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:57:37,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:57:37,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:57:37,833 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:57:37,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:57:25" (3/4) ... [2018-11-10 11:57:37,837 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:57:37,858 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 11:57:37,860 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 11:57:37,861 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:57:37,862 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:57:37,979 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0713339-5d25-4865-bc06-eb8af9d02c31/bin-2019/ukojak/witness.graphml [2018-11-10 11:57:37,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:57:37,980 INFO L168 Benchmark]: Toolchain (without parser) took 386220.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 953.1 MB in the beginning and 821.2 MB in the end (delta: 131.9 MB). Peak memory consumption was 354.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,981 INFO L168 Benchmark]: CDTParser took 0.13 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 11:57:37,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 910.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 910.1 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,982 INFO L168 Benchmark]: Boogie Preprocessor took 64.82 ms. Allocated memory is still 1.1 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. [2018-11-10 11:57:37,983 INFO L168 Benchmark]: RCFGBuilder took 373095.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 247.3 MB). Peak memory consumption was 380.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,983 INFO L168 Benchmark]: CodeCheck took 12264.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 844.1 MB in the beginning and 848.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,984 INFO L168 Benchmark]: Witness Printer took 146.24 ms. Allocated memory is still 1.3 GB. Free memory was 848.7 MB in the beginning and 821.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:57:37,986 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, 12.0s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 102 SDslu, 96 SDs, 0 SdLazy, 192 SolverSat, 38 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 239 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 3215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 13/17 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: 202]: 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: (!(a24 == 1) || !(a15 == 6)) || (a12 + 43 <= 0 || 11 < a12) || !(a21 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 + 43 <= 0 || 11 < a12) || !(a21 == 8)) || !(a24 == 1)) || !(a15 == 6) - 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 0.13 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 489.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 910.1 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 155.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 910.1 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.82 ms. Allocated memory is still 1.1 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 373095.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 247.3 MB). Peak memory consumption was 380.8 MB. Max. memory is 11.5 GB. * CodeCheck took 12264.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 844.1 MB in the beginning and 848.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * Witness Printer took 146.24 ms. Allocated memory is still 1.3 GB. Free memory was 848.7 MB in the beginning and 821.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...