./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_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_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/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 dde52c9168444887391772c09fe456cad8792595 ......................................................................................................................................................................................................................................................................... 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 04:41:31,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:41:31,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:41:31,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:41:31,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:41:31,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:41:31,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:41:31,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:41:31,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:41:31,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:41:31,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:41:31,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:41:31,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:41:31,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:41:31,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:41:31,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:41:31,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:41:31,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:41:31,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:41:31,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:41:31,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:41:31,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:41:31,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:41:31,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:41:31,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:41:31,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:41:31,374 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:41:31,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:41:31,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:41:31,376 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:41:31,376 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:41:31,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:41:31,377 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:41:31,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:41:31,378 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:41:31,378 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:41:31,378 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:41:31,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:41:31,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:41:31,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:41:31,389 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:41:31,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:41:31,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:41:31,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:41:31,391 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:41:31,391 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:41:31,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:41:31,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:41:31,392 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:41:31,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:41:31,393 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_f52c9c65-e8a7-4677-b535-afdfded4926e/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 -> dde52c9168444887391772c09fe456cad8792595 [2018-11-10 04:41:31,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:41:31,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:41:31,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:41:31,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:41:31,429 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:41:31,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-11-10 04:41:31,467 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/data/82319ac86/ff3177413a8d493cb48dfa9374498106/FLAG449d20b98 [2018-11-10 04:41:31,904 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:41:31,904 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-11-10 04:41:31,914 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/data/82319ac86/ff3177413a8d493cb48dfa9374498106/FLAG449d20b98 [2018-11-10 04:41:31,927 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/data/82319ac86/ff3177413a8d493cb48dfa9374498106 [2018-11-10 04:41:31,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:41:31,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:41:31,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:31,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:41:31,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:41:31,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:31" (1/1) ... [2018-11-10 04:41:31,938 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 04:41:31, skipping insertion in model container [2018-11-10 04:41:31,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:31" (1/1) ... [2018-11-10 04:41:31,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:41:31,980 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:41:32,228 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:32,231 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:41:32,300 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:32,312 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:41:32,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32 WrapperNode [2018-11-10 04:41:32,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:32,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:41:32,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:41:32,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:41:32,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:41:32,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:41:32,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:41:32,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:41:32,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... [2018-11-10 04:41:32,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:41:32,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:41:32,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:41:32,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:41:32,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/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 04:41:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 04:41:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:41:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:43:48,449 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:43:48,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:43:48 BoogieIcfgContainer [2018-11-10 04:43:48,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:43:48,450 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:43:48,450 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:43:48,458 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:43:48,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:43:48" (1/1) ... [2018-11-10 04:43:48,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:43:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:43:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 04:43:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 04:43:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:43:48,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:43:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:43:48,648 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 04:43:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:43:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 04:43:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 04:43:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:43:48,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:43:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:43:49,016 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 04:43:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:43:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-10 04:43:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-10 04:43:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:43:59,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:43:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:43:59,832 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 04:44:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-10 04:44:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-10 04:44:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:44:00,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:00,931 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 04:44:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-11-10 04:44:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-11-10 04:44:01,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:44:01,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:01,309 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 04:44:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-10 04:44:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-10 04:44:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:44:01,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:02,068 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 04:44:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2018-11-10 04:44:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2018-11-10 04:44:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:44:13,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:13,439 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 04:44:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2018-11-10 04:44:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2018-11-10 04:44:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:44:13,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:14,040 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 04:44:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2018-11-10 04:44:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2018-11-10 04:44:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:44:14,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:14,465 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 04:44:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2018-11-10 04:44:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2018-11-10 04:44:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:44:14,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:44:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:44:15,657 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 04:44:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:44:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-10 04:44:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-10 04:44:16,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:44:16,234 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 04:44:16,241 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:44:16,426 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-11-10 04:44:16,434 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 04:44:16,434 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:44:16,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:44:16 ImpRootNode [2018-11-10 04:44:16,435 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:44:16,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:44:16,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:44:16,435 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:44:16,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:43:48" (3/4) ... [2018-11-10 04:44:16,440 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:44:16,455 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 04:44:16,456 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 04:44:16,456 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:44:16,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:44:16,547 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f52c9c65-e8a7-4677-b535-afdfded4926e/bin-2019/ukojak/witness.graphml [2018-11-10 04:44:16,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:44:16,547 INFO L168 Benchmark]: Toolchain (without parser) took 164617.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 956.4 MB in the beginning and 829.2 MB in the end (delta: 127.2 MB). Peak memory consumption was 419.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,549 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:44:16,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 926.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 926.9 MB in the beginning and 1.2 GB in the end (delta: -232.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,550 INFO L168 Benchmark]: Boogie Preprocessor took 42.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,550 INFO L168 Benchmark]: RCFGBuilder took 135980.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -14.9 MB). Peak memory consumption was 459.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,551 INFO L168 Benchmark]: CodeCheck took 27984.94 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -12.1 MB). Free memory was 1.2 GB in the beginning and 845.5 MB in the end (delta: 325.3 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,551 INFO L168 Benchmark]: Witness Printer took 111.72 ms. Allocated memory is still 1.3 GB. Free memory was 845.5 MB in the beginning and 829.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:44:16,553 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, 27.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7188 SDtfs, 16940 SDslu, 16464 SDs, 0 SdLazy, 34194 SolverSat, 4498 SolverUnsat, 544 SolverUnknown, 0 SolverNotchecked, 145.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1767 GetRequests, 1538 SyntacticMatches, 97 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8697 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 38230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 35/197 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: 94]: 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: ((((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 4)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a1 <= 38 || 218 < a1) || !(a19 == 6)) || !(a10 == 4)) && a12 == 0) && 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 926.9 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 112.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 926.9 MB in the beginning and 1.2 GB in the end (delta: -232.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135980.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -14.9 MB). Peak memory consumption was 459.4 MB. Max. memory is 11.5 GB. * CodeCheck took 27984.94 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -12.1 MB). Free memory was 1.2 GB in the beginning and 845.5 MB in the end (delta: 325.3 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. * Witness Printer took 111.72 ms. Allocated memory is still 1.3 GB. Free memory was 845.5 MB in the beginning and 829.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...