./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/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 9affa82f51321a26e1ff4ceb2134487588896d81 ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:59:31,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:59:31,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:59:31,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:59:31,022 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:59:31,023 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:59:31,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:59:31,024 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:59:31,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:59:31,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:59:31,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:59:31,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:59:31,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:59:31,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:59:31,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:59:31,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:59:31,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:59:31,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:59:31,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:59:31,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:59:31,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:59:31,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:59:31,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:59:31,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:59:31,038 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:59:31,039 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:59:31,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:59:31,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:59:31,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:59:31,041 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:59:31,041 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:59:31,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:59:31,042 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:59:31,043 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:59:31,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:59:31,044 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:59:31,044 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:59:31,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:59:31,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:59:31,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:59:31,054 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:59:31,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:59:31,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:59:31,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:59:31,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:59:31,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:59:31,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:59:31,055 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:59:31,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:59:31,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:59:31,056 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:59:31,056 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:59:31,056 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:59:31,056 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:59:31,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:59:31,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:59:31,056 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_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/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 -> 9affa82f51321a26e1ff4ceb2134487588896d81 [2018-11-18 09:59:31,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:59:31,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:59:31,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:59:31,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:59:31,097 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:59:31,098 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-18 09:59:31,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/data/e9e220b65/2aefba5f49914a3c9934db5613308fba/FLAG83a8988e0 [2018-11-18 09:59:31,555 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:59:31,555 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-18 09:59:31,566 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/data/e9e220b65/2aefba5f49914a3c9934db5613308fba/FLAG83a8988e0 [2018-11-18 09:59:31,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/data/e9e220b65/2aefba5f49914a3c9934db5613308fba [2018-11-18 09:59:31,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:59:31,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:59:31,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:59:31,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:59:31,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:59:31,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:59:31" (1/1) ... [2018-11-18 09:59:32,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd048d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:31, skipping insertion in model container [2018-11-18 09:59:32,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:59:31" (1/1) ... [2018-11-18 09:59:32,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:59:32,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:59:32,312 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:59:32,316 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:59:32,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:59:32,406 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:59:32,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32 WrapperNode [2018-11-18 09:59:32,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:59:32,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:59:32,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:59:32,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:59:32,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:59:32,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:59:32,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:59:32,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:59:32,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... [2018-11-18 09:59:32,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:59:32,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:59:32,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:59:32,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:59:32,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/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 [2018-11-18 09:59:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:59:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:59:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:01:08,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:01:08,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:08 BoogieIcfgContainer [2018-11-18 10:01:08,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:01:08,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:01:08,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:01:08,492 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:01:08,492 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:08" (1/1) ... [2018-11-18 10:01:08,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:01:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 10:01:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 10:01:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:01:08,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 10:01:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 10:01:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:01:08,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 10:01:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 10:01:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:01:09,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-18 10:01:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-18 10:01:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:01:10,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-18 10:01:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-18 10:01:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:01:10,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:01:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-18 10:01:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-18 10:01:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:01:11,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:01:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2018-11-18 10:01:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2018-11-18 10:01:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:01:12,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:01:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-11-18 10:01:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-11-18 10:01:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:01:13,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:01:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-18 10:01:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-18 10:01:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:01:13,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:01:15,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2018-11-18 10:01:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2018-11-18 10:01:15,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:01:15,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:01:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2018-11-18 10:01:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2018-11-18 10:01:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:01:15,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:01:16,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2018-11-18 10:01:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2018-11-18 10:01:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:01:16,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:01:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:01:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:01:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:01:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-18 10:01:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-18 10:01:16,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:01:16,568 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-18 10:01:16,575 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:01:16,786 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 10:01:16,796 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 10:01:16,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:01:16,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:01:16 ImpRootNode [2018-11-18 10:01:16,797 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:01:16,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:01:16,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:01:16,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:01:16,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:01:08" (3/4) ... [2018-11-18 10:01:16,802 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:01:16,817 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 10:01:16,818 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 10:01:16,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:01:16,820 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:01:16,915 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4229ac7c-47c3-456b-84fb-5783045e7d19_365456815664965/bin-2019/ukojak/witness.graphml [2018-11-18 10:01:16,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:01:16,916 INFO L168 Benchmark]: Toolchain (without parser) took 104923.52 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.6 MB). Free memory was 958.0 MB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,917 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:01:16,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 923.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 920.3 MB in the beginning and 1.1 GB in the end (delta: -210.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,918 INFO L168 Benchmark]: Boogie Preprocessor took 55.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,919 INFO L168 Benchmark]: RCFGBuilder took 95859.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 334.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,919 INFO L168 Benchmark]: CodeCheck took 8314.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,919 INFO L168 Benchmark]: Witness Printer took 118.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:01:16,921 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, 8.0s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28760 SDtfs, 67706 SDslu, 65888 SDs, 0 SdLazy, 147142 SolverSat, 18820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2268 GetRequests, 1987 SyntacticMatches, 131 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11208 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 51255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 135/308 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: 85]: 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: (((!(a19 == 7) && a12 == 0) && a4 == 14) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a1 <= 38 || 218 < a1) || !(a19 == 7)) || !(a10 == 0)) && 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 923.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 920.3 MB in the beginning and 1.1 GB in the end (delta: -210.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 95859.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 334.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8314.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * Witness Printer took 118.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...