./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label53_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_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label53_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/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 75060ff98c56e8db8477254b151b35ec5c5e0427 .......................................................................................................................................................................................................................................................................... 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 14:49:38,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:49:38,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:49:38,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:49:38,066 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:49:38,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:49:38,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:49:38,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:49:38,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:49:38,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:49:38,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:49:38,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:49:38,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:49:38,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:49:38,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:49:38,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:49:38,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:49:38,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:49:38,075 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:49:38,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:49:38,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:49:38,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:49:38,079 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:49:38,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:49:38,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:49:38,080 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:49:38,081 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:49:38,081 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:49:38,082 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:49:38,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:49:38,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:49:38,083 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:49:38,083 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:49:38,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:49:38,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:49:38,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:49:38,085 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:49:38,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:49:38,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:49:38,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:49:38,096 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:49:38,096 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:49:38,096 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:49:38,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:49:38,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:49:38,098 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:49:38,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:49:38,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:49:38,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:49:38,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:49:38,100 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_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/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 -> 75060ff98c56e8db8477254b151b35ec5c5e0427 [2018-11-18 14:49:38,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:49:38,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:49:38,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:49:38,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:49:38,138 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:49:38,139 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label53_true-unreach-call.c [2018-11-18 14:49:38,179 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/data/84359683c/f50947748dbf450db149bf1235a2c72c/FLAG2348f3d70 [2018-11-18 14:49:38,637 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:49:38,638 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/sv-benchmarks/c/eca-rers2012/Problem10_label53_true-unreach-call.c [2018-11-18 14:49:38,647 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/data/84359683c/f50947748dbf450db149bf1235a2c72c/FLAG2348f3d70 [2018-11-18 14:49:39,161 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/data/84359683c/f50947748dbf450db149bf1235a2c72c [2018-11-18 14:49:39,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:49:39,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:49:39,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:49:39,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:49:39,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:49:39,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39, skipping insertion in model container [2018-11-18 14:49:39,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:49:39,212 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:49:39,436 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:49:39,439 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:49:39,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:49:39,570 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:49:39,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39 WrapperNode [2018-11-18 14:49:39,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:49:39,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:49:39,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:49:39,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:49:39,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:49:39,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:49:39,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:49:39,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:49:39,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... [2018-11-18 14:49:39,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:49:39,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:49:39,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:49:39,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:49:39,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/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 14:49:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:49:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:49:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:50:14,815 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:50:14,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:14 BoogieIcfgContainer [2018-11-18 14:50:14,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:50:14,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:50:14,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:50:14,824 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:50:14,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:14" (1/1) ... [2018-11-18 14:50:14,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 14:50:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 14:50:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:50:14,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:15,038 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 14:50:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 14:50:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 14:50:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:50:15,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:15,386 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 14:50:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 14:50:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 14:50:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:50:15,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:15,956 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 14:50:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-11-18 14:50:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-11-18 14:50:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:50:16,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:16,541 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 14:50:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-18 14:50:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-18 14:50:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:50:16,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:16,798 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 14:50:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2018-11-18 14:50:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2018-11-18 14:50:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:50:16,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:50:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-11-18 14:50:18,190 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-11-18 14:50:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:50:18,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:50:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2018-11-18 14:50:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2018-11-18 14:50:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 14:50:18,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 14:50:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2018-11-18 14:50:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2018-11-18 14:50:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 14:50:19,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 14:50:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-11-18 14:50:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-11-18 14:50:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 14:50:20,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:50:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 14:50:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:50:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-11-18 14:50:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-11-18 14:50:20,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:50:20,980 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 14:50:20,987 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:50:21,282 INFO L579 CodeCheckObserver]: Invariant with dag size 35 [2018-11-18 14:50:21,291 INFO L579 CodeCheckObserver]: Invariant with dag size 33 [2018-11-18 14:50:21,292 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:50:21,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:50:21 ImpRootNode [2018-11-18 14:50:21,293 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:50:21,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:50:21,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:50:21,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:50:21,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:14" (3/4) ... [2018-11-18 14:50:21,296 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:50:21,312 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 14:50:21,313 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 14:50:21,314 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:50:21,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:50:21,396 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_726e1070-e7d4-4a1d-88e4-90a30a8b3efc/bin-2019/ukojak/witness.graphml [2018-11-18 14:50:21,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:50:21,397 INFO L168 Benchmark]: Toolchain (without parser) took 42233.04 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 447.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,397 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:50:21,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.57 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,398 INFO L168 Benchmark]: Boogie Preprocessor took 43.13 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 14:50:21,398 INFO L168 Benchmark]: RCFGBuilder took 35141.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.8 MB). Peak memory consumption was 369.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,399 INFO L168 Benchmark]: CodeCheck took 6476.59 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 166.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.1 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,399 INFO L168 Benchmark]: Witness Printer took 103.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:50:21,401 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, 6.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6632 SDtfs, 15880 SDslu, 14240 SDs, 0 SdLazy, 34244 SolverSat, 5116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1700 GetRequests, 1463 SyntacticMatches, 115 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8946 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 39920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 102/259 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: 130]: 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) || 9 <= a19) || ((a10 == 2 || a10 == 1) || a19 == 6) || a19 == 7) || (((!(a10 == 3) || !(a19 == 8)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a1 <= 38 || !(a10 == 3)) || 218 < a1) || !(a19 == 8)) && a12 == 0) && a4 == 14) || (((a10 == 2 || a10 == 1) || a19 == 6) || a19 == 7) || 9 <= a19 - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.57 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.13 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 35141.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.8 MB). Peak memory consumption was 369.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6476.59 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 166.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.1 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. * Witness Printer took 103.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...