./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label01_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_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/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 e164009279dbb4f44c2a62d6b9419f669fb4fb2b .................................................................................................................................................................................................................................................... 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 05:41:35,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:41:35,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:41:35,350 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:41:35,350 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:41:35,351 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:41:35,351 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:41:35,352 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:41:35,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:41:35,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:41:35,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:41:35,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:41:35,356 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:41:35,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:41:35,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:41:35,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:41:35,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:41:35,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:41:35,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:41:35,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:41:35,362 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:41:35,363 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:41:35,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:41:35,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:41:35,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:41:35,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:41:35,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:41:35,367 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:41:35,368 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:41:35,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:41:35,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:41:35,369 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:41:35,369 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:41:35,369 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:41:35,370 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:41:35,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:41:35,370 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:41:35,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:41:35,381 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:41:35,381 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:41:35,381 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:41:35,382 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:41:35,382 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:41:35,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:41:35,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:41:35,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:41:35,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:41:35,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:41:35,384 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:41:35,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:41:35,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:41:35,384 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:41:35,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:41:35,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:41:35,385 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_b91739fb-86da-419c-9220-54b7d1dbc859/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 -> e164009279dbb4f44c2a62d6b9419f669fb4fb2b [2018-11-10 05:41:35,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:41:35,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:41:35,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:41:35,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:41:35,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:41:35,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-10 05:41:35,453 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/data/8a60825be/d1008be98ba04431848ab0389c182a3d/FLAGcb2479279 [2018-11-10 05:41:35,898 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:41:35,899 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/sv-benchmarks/c/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-10 05:41:35,908 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/data/8a60825be/d1008be98ba04431848ab0389c182a3d/FLAGcb2479279 [2018-11-10 05:41:35,920 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/data/8a60825be/d1008be98ba04431848ab0389c182a3d [2018-11-10 05:41:35,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:41:35,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:41:35,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:41:35,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:41:35,928 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:41:35,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:41:35" (1/1) ... [2018-11-10 05:41:35,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1315c565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:35, skipping insertion in model container [2018-11-10 05:41:35,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:41:35" (1/1) ... [2018-11-10 05:41:35,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:41:35,972 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:41:36,175 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:41:36,178 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:41:36,242 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:41:36,254 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:41:36,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36 WrapperNode [2018-11-10 05:41:36,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:41:36,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:41:36,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:41:36,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:41:36,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:41:36,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:41:36,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:41:36,364 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:41:36,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... [2018-11-10 05:41:36,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:41:36,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:41:36,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:41:36,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:41:36,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/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 05:41:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:41:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:41:36,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:42:35,870 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:42:35,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:35 BoogieIcfgContainer [2018-11-10 05:42:35,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:42:35,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:42:35,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:42:35,882 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:42:35,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:35" (1/1) ... [2018-11-10 05:42:35,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:42:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:42:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:42:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:42:35,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:36,117 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 05:42:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:42:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:42:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:42:36,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:36,460 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 05:42:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-10 05:42:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-10 05:42:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:42:36,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:37,462 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 05:42:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-11-10 05:42:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-11-10 05:42:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:42:48,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:48,275 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 05:42:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:42:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-10 05:42:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-10 05:42:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:42:48,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:42:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:42:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:43:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2018-11-10 05:43:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2018-11-10 05:43:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:43:00,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:43:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-11-10 05:43:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-10 05:43:00,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:43:00,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:43:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2018-11-10 05:43:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2018-11-10 05:43:01,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:43:01,048 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 05:43:01,055 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:43:01,297 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 05:43:01,305 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-10 05:43:01,306 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:43:01,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:43:01 ImpRootNode [2018-11-10 05:43:01,306 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:43:01,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:43:01,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:43:01,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:43:01,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:42:35" (3/4) ... [2018-11-10 05:43:01,311 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:43:01,325 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 05:43:01,326 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:43:01,327 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:43:01,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:43:01,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b91739fb-86da-419c-9220-54b7d1dbc859/bin-2019/ukojak/witness.graphml [2018-11-10 05:43:01,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:43:01,419 INFO L168 Benchmark]: Toolchain (without parser) took 85495.01 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 457.7 MB). Free memory was 953.2 MB in the beginning and 1.2 GB in the end (delta: -208.8 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,420 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:01,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 921.0 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,421 INFO L168 Benchmark]: Boogie Preprocessor took 51.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:43:01,421 INFO L168 Benchmark]: RCFGBuilder took 59456.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -143.2 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,421 INFO L168 Benchmark]: CodeCheck took 25434.74 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 101.7 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 110.8 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,422 INFO L168 Benchmark]: Witness Printer took 111.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:43:01,423 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, 25.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 932 SDtfs, 2112 SDslu, 2192 SDs, 0 SdLazy, 4136 SolverSat, 528 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 82.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1094 GetRequests, 951 SyntacticMatches, 51 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4443 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 26280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 45/111 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: 163]: 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: 582]: Loop Invariant Derived loop invariant: ((a12 == 0 && ((a1 <= 38 || 219 <= a1) || !(a10 == 0))) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && a4 == 14) && ((218 < a1 || !(a19 == 6)) || !(a10 == 0))) || ((a12 == 0 && !(38 < 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.44 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 921.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 921.0 MB in the beginning and 1.2 GB in the end (delta: -231.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 59456.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -143.2 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. * CodeCheck took 25434.74 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 101.7 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 110.8 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. * Witness Printer took 111.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...