./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/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 3812c831b8b49ff0b200ce5b38627f93268691f2 .......................................................................................................................................................................................................................................................................... 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 04:12:35,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:12:35,180 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:12:35,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:12:35,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:12:35,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:12:35,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:12:35,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:12:35,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:12:35,190 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:12:35,191 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:12:35,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:12:35,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:12:35,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:12:35,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:12:35,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:12:35,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:12:35,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:12:35,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:12:35,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:12:35,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:12:35,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:12:35,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:12:35,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:12:35,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:12:35,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:12:35,201 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:12:35,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:12:35,202 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:12:35,203 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:12:35,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:12:35,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:12:35,204 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:12:35,204 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:12:35,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:12:35,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:12:35,205 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:12:35,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:12:35,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:12:35,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:12:35,214 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:12:35,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:12:35,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:12:35,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:12:35,216 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:12:35,216 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:12:35,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:12:35,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:12:35,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:12:35,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:12:35,218 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_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/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 -> 3812c831b8b49ff0b200ce5b38627f93268691f2 [2018-11-10 04:12:35,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:12:35,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:12:35,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:12:35,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:12:35,254 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:12:35,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-10 04:12:35,300 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/data/43f7046b8/942373cde0cb4667b0745d055883b7fd/FLAG2b3a2f6cb [2018-11-10 04:12:35,692 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:12:35,692 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-10 04:12:35,702 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/data/43f7046b8/942373cde0cb4667b0745d055883b7fd/FLAG2b3a2f6cb [2018-11-10 04:12:35,714 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/data/43f7046b8/942373cde0cb4667b0745d055883b7fd [2018-11-10 04:12:35,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:12:35,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:12:35,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:35,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:12:35,721 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:12:35,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:35" (1/1) ... [2018-11-10 04:12:35,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d64a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:35, skipping insertion in model container [2018-11-10 04:12:35,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:12:35" (1/1) ... [2018-11-10 04:12:35,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:12:35,769 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:12:36,014 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:36,017 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:12:36,101 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:12:36,113 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:12:36,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36 WrapperNode [2018-11-10 04:12:36,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:12:36,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:36,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:12:36,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:12:36,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:12:36,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:12:36,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:12:36,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:12:36,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... [2018-11-10 04:12:36,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:12:36,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:12:36,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:12:36,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:12:36,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:12:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/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 04:12:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 04:12:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:12:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:18:30,773 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:18:30,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:18:30 BoogieIcfgContainer [2018-11-10 04:18:30,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:18:30,774 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:18:30,774 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:18:30,781 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:18:30,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:18:30" (1/1) ... [2018-11-10 04:18:30,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:18:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:18:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 04:18:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 04:18:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:18:30,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:18:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:18:30,954 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 04:18:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:18:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 04:18:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 04:18:31,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:18:31,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:18:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:18:31,439 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 04:18:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:18:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-10 04:18:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-10 04:18:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:18:32,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:18:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:18:32,560 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 04:18:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:18:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-10 04:18:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-10 04:18:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:18:43,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:18:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:18:43,574 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 04:18:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:18:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-10 04:18:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-10 04:18:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:18:43,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:18:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:18:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:19:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-11-10 04:19:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-11-10 04:19:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:19:36,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:19:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:19:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2018-11-10 04:19:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2018-11-10 04:19:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:19:37,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:19:38,873 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2018-11-10 04:19:39,222 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2018-11-10 04:19:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:20:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:20:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-11-10 04:20:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-11-10 04:20:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:20:11,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:20:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:20:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:20:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:20:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 142 transitions. [2018-11-10 04:20:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2018-11-10 04:20:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:20:23,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:20:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:20:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:20:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:20:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 146 transitions. [2018-11-10 04:20:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2018-11-10 04:20:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:20:24,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:20:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:20:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 04:20:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:20:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 139 transitions. [2018-11-10 04:20:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 139 transitions. [2018-11-10 04:20:25,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:20:25,371 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 04:20:25,376 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:20:25,672 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-11-10 04:20:25,679 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 04:20:25,680 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:20:25,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:20:25 ImpRootNode [2018-11-10 04:20:25,680 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:20:25,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:20:25,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:20:25,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:20:25,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:18:30" (3/4) ... [2018-11-10 04:20:25,685 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:20:25,702 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 220 nodes and edges [2018-11-10 04:20:25,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 04:20:25,704 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:20:25,791 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7bc6ddd5-254c-4dc9-b3ef-126cb8439861/bin-2019/ukojak/witness.graphml [2018-11-10 04:20:25,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:20:25,792 INFO L168 Benchmark]: Toolchain (without parser) took 470075.37 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 688.9 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -314.5 MB). Peak memory consumption was 374.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,792 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. [2018-11-10 04:20:25,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,793 INFO L168 Benchmark]: Boogie Preprocessor took 48.88 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,793 INFO L168 Benchmark]: RCFGBuilder took 354489.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 907.5 MB in the end (delta: 202.7 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,794 INFO L168 Benchmark]: CodeCheck took 114906.35 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 509.1 MB). Free memory was 907.5 MB in the beginning and 1.3 GB in the end (delta: -378.9 MB). Peak memory consumption was 130.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,794 INFO L168 Benchmark]: Witness Printer took 110.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:20:25,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 114.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7304 SDtfs, 18140 SDslu, 16928 SDs, 0 SdLazy, 39388 SolverSat, 5408 SolverUnsat, 632 SolverUnknown, 0 SolverNotchecked, 537.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1752 SyntacticMatches, 93 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14632 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 70540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 70/292 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: 20]: Loop Invariant Derived loop invariant: (!(7 == a15) || !(a24 == 1)) || !(a21 == 9) || 0 < a12 + 43 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 9) || !(a24 == 1)) || !(a15 == 7)) || 0 <= a12 + 42 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 396.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.88 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 354489.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 907.5 MB in the end (delta: 202.7 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. * CodeCheck took 114906.35 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 509.1 MB). Free memory was 907.5 MB in the beginning and 1.3 GB in the end (delta: -378.9 MB). Peak memory consumption was 130.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...